The hottest Expertise Substack posts right now

And their main takeaways
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The Ten Warning Signs

The Honest Broker • 79458 implied HN points • 07 Jun 25
🎭️ Culture Expertise
  1. The current knowledge system is breaking down, and many fields are showing signs of this collapse. People are losing trust in experts and traditional sources of information.
  2. Science and technology are increasingly seen as tools for manipulation rather than for public benefit. Issues like rising distrust and high-profile scandals are common.
  3. There is a need for a new knowledge system based on human values, creativity, and honesty. As the old system fails, people will seek out reliable sources that uplift and inspire.

Ton expertise est une monnaie contre de l'autonomie

L'Atelier Galita • 59 implied HN points • 05 Oct 24
💼 Business Expertise
  1. A lot of people feel they lack control in their work lives. This shows that many want more mastery over what they do each day.
  2. Many people would choose to do different things if money wasn't a factor. It suggests that financial pressures limit personal freedom and choices.
  3. Developing your skills and expertise can actually lead to more autonomy. It's like turning your skills into a form of currency that gives you more freedom.

What we misunderstand about “doing your own research”

Your Local Epidemiologist • 1852 implied HN points • 18 Jun 25
🏥 Health Politics Expertise
  1. Many people do their own research because they find medical information confusing and they can't always access their doctors. This pushes them to seek answers online, where information can be overwhelming.
  2. Experts sometimes give conflicting advice, which makes it hard for people to know whom to trust. When experts mock those trying to understand, it can drive people away from reliable sources.
  3. To improve communication, experts should offer help and explain things instead of demanding trust. It's important to recognize the struggle people face in trying to find accurate health information.

Economists and Dentists

In My Tribe • 789 implied HN points • 18 Jul 25
🇺🇸 U.S. Politics Expertise
  1. Experts can be grouped into three types: practitioners, analysts, and activists. Practitioners solve real-life problems, like dentists fixing teeth.
  2. Analysts, like economists, use models and data to understand complex issues but don't deal directly with physical reality. Their insights can vary depending on how they view the world.
  3. Activists often push personal beliefs under the guise of analysis. It's important to differentiate them from honest analysts to maintain trust in expert opinions.

Genius vs. Expertise

The Biblioracle Recommends • 668 implied HN points • 04 Feb 24
🎭️ Culture Expertise
  1. Genius and expertise are different - expertise is achieved through practice, while genius is often seen as innate.
  2. Expertise can be just as valuable as genius - like the skillful drum tech behind a famous drummer.
  3. Dedication to a hobby or skill can enhance confidence and ability in other areas, showcasing the value of practice and expertise.
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We Don't Believe You

Marginally Compelling • 35 implied HN points • 28 Jan 26
📰 News Expertise
  1. People often make dire predictions by extrapolating from limited data instead of relying on solid evidence, and those forecasts frequently turn out to be wrong.
  2. Media outlets sometimes amplify biased estimates without checking sources or revisiting errors, which lets false narratives persist and reduces accountability.
  3. Real-world systems adapt and money is fungible, so policy changes don’t always produce the predicted collapse; we should be skeptical of extrapolation and re-evaluate past forecasts.

Is this a career?

benn.substack • 1713 implied HN points • 13 Dec 24
💼 Business Expertise
  1. Getting good at something often just takes a little focused effort over time. Many people don't actively try to improve, so they stay at a decent skill level rather than reaching their full potential.
  2. In fields like data analytics, it's essential to specialize to truly excel. Being a generalist might keep you busy, but it can lead to a career without a clear direction or growth.
  3. To stand out and achieve more in their careers, people need to identify a specific area of expertise and commit to it. Relying on being 'good at data' isn't usually enough to make a significant impact.

David Friedman vs. Michael Huemer

In My Tribe • 546 implied HN points • 05 Jul 25
📖 Philosophy Expertise
  1. It's important to think critically and understand arguments for yourself, instead of just trusting experts.
  2. Picking the right expert to trust is hard because different experts can have different opinions on the same issue.
  3. When choosing an expert, look for someone who thinks in a way that makes sense to you and can clearly explain their views.

Caterpillar to Butterfly

Software Design: Tidy First? • 1237 implied HN points • 14 Feb 25
🕹 Technology Expertise
  1. As organizations grow, the need for specialist skills becomes more important. It's not enough to have hobbyists; experts are needed to handle complex tasks.
  2. When specialist teams form, their priorities might clash with client teams' needs. Client teams often want quick fixes, while specialists aim for quality work.
  3. To handle increased requests, organizations should empower client teams to solve their own issues. This self-service approach helps manage workloads and creates better efficiency.

The Vanishing Hardy Boys

Variations on a Theme • 159 implied HN points • 25 Apr 24
🎭️ Culture Expertise
  1. The concept of the Renaissance Man, with its emphasis on broad knowledge and skills, is fading in our society as specialization becomes more prevalent.
  2. Apathy can lead to a lack of critical thinking and embracing the easy path of leisure, hindering personal and intellectual development.
  3. Specialization can create barriers to entry in professions, leading to credentialism and potential dismissal of alternative expertise, while being a generalist can offer a unique perspective and a wide range of problem-solving abilities.

Who pays for 'authenticity'?

imperfect offerings • 199 implied HN points • 12 Mar 24
🕹 Technology Expertise
  1. Universities are investing in AI literacy for their staff and students, covering various important topics like privacy, bias, and ethics.
  2. Peer-supported discovery and open education communities play a crucial role in empowering individuals to engage with new technologies.
  3. The development and use of generative AI models come with challenges related to bias, authenticity, and the trade-offs between safety and performance.

Bridging the Gap: Navigating the Curse of Knowledge in UX

UX Psychology • 178 implied HN points • 23 Feb 24
🕹 Technology Expertise
  1. The curse of knowledge is a cognitive bias where experts find it hard to imagine not knowing what they know, this can impact different fields, including UX.
  2. Cognitive biases like the curse of knowledge stem from how our brains process and remember information, leading to errors in thinking and decision-making.
  3. To overcome the curse of knowledge, involve users in the design process, seek feedback from colleagues, and communicate in plain language to ensure better collaboration and user experience.

Calling Bill Buckley

A User's Guide to History • 176 implied HN points • 02 Feb 24
🇺🇸 U.S. Politics Expertise
  1. There's a debate between common sense and expertise in decision-making.
  2. Democracy often relies on elected officials to delegate to experts for specialized knowledge.
  3. Lawmakers use expertise to navigate complex issues and provide political cover for tough decisions.

How to Learn What is True

David Friedman’s Substack • 350 implied HN points • 04 Feb 24
🚌 Education Expertise
  1. Be skeptical of claims on contentious issues and don't readily believe them without verification.
  2. Evaluate arguments by reading carefully, checking claims, and assessing the logic for yourself.
  3. Recognize that scientific truth is not established by official committees, but through a decentralized process of expert agreement.

How to Go to BBQ Hell via the Use of Data

Think Future • 79 implied HN points • 02 Nov 23
🎭️ Culture Expertise
  1. The importance of expertise in interpreting data findings - data can sometimes lead to nonsensical conclusions without proper expertise to guide the analysis.
  2. Be cautious of drawing conclusions solely based on data - critical thinking is essential to avoid errors in analysis, like the case of Trip Advisor's BBQ city rankings.
  3. Consulting with longtime experts is crucial before accepting data-driven findings as 'rock-solid' - having seasoned professionals review results can help prevent misinterpretations and errors.

The So-Called “Experts” Have Been “Right” About “Several Crucial Things” Recently

I Might Be Wrong • 9 implied HN points • 05 Dec 25
🇺🇸 U.S. Politics Expertise
  1. Experts’ predictions have recently lined up with real outcomes, showing that their models and warnings were often right.
  2. Economists warned that tariffs would depress manufacturing, raise prices, and invite graft, and those negative effects are now visible.
  3. Strong public skepticism of experts exists on both the left and right, but recent events show expertise still matters and should be taken seriously.

Decisions depend on the decision maker

Overthinking Everything • 419 implied HN points • 31 Aug 23
🚌 Education Expertise
  1. Decisions depend on who is making them, as individual factors influence the best choice.
  2. Even in games with 'objective' optimal strategies, decisions are subjective based on each player's abilities and knowledge.
  3. Beginners should consider their own strengths and weaknesses when making decisions, rather than just emulating experts.

Mistral AI is stacking experts

John’s Contemplations • 39 implied HN points • 19 Jan 24
🕹 Technology Expertise
  1. Mistral AI introduced new MoE models like Mixtral 8x7B surpassing GPT-3.5.
  2. MoE architectures have evolved over time with advancements like Switch Transformer and GLaM.
  3. Mistral AI might be planning Mistral-Large with the same architecture but more and bigger experts.

The evolution of expert communities

lcamtuf’s thing • 125 HN points • 12 Nov 23
🎭️ Culture Expertise
  1. Online expert communities follow a general lifecycle model with stages of orderly growth, deluge, crackdowns, meme slope, and terminal plateau.
  2. Uncontrolled growth of online communities can lead to issues like repetitive questions, declining discussion quality, and the need for elaborate rules.
  3. As online expert communities evolve, they might face challenges like elitism, loss of meaningful discussions, and a shift towards off-topic topics.

More I learn, the more I suck 😫— Dunning-Kruger Effect

10x your mind • 59 implied HN points • 04 Aug 22
🚌 Education Expertise
  1. The Dunning-Kruger effect highlights the tendency to overestimate or underestimate expertise based on awareness.
  2. Learning a new skill involves phases: feeling great at the beginning, struggling in the middle, then finding enjoyment and expertise in the end.
  3. Recognizing the 'I suck' phase as a crucial period of progress can help avoid underestimating your growth potential.

Position to Know

The End(s) of Argument • 19 implied HN points • 11 Jul 23
🚌 Education Expertise
  1. Facts are things generally undisputed by those in a position to know.
  2. Being in a 'position to know' entails having expertise or opportunity to understand a situation.
  3. When evaluating sources, it's crucial to consider what unique perspective or knowledge each person brings to the table.

Information Warfare, Peter Pomerantsev

The Bigger Picture • 79 implied HN points • 18 Oct 21
🌍 World Politics Expertise
  1. Peter Pomerantsev is an expert on disinformation tactics and the author of 'This is Not Propaganda.'
  2. The post discusses information warfare and the importance of understanding how disinformation is used.
  3. Readers can access the full post archives with a 7-day free trial subscription to The Bigger Picture.