inexactscience β’ 19 implied HN points β’ 20 Oct 23
- Complacency might be the reason we don't see aliens. Instead of self-destruction, advanced civilizations may just choose to stay comfortable where they are.
- Economic reasons for space exploration could fade as the Earth becomes richer. If we make energy and resources abundant, we may not feel the need to explore beyond our planet.
- As the human population is expected to decline, the drive for exploration may lessen. With fewer people, our focus might shift to improving life on Earth rather than colonizing new worlds.