That’s quite cynical view. There’s about 0% chance of that happening during their lifetime. Or you think they’ll just want to go to mars and sit inside some capsule for the rest of their lives? C’moon now…

Elon’s argument for why we need to spread to other planets holds true even if everything on Earth were going perfectly.

It’s not about getting everyone off Earth - it’s about creating a backup for humanity on other planets. This ensures that the only known flame of consciousness in the universe isn’t extinguished by a nuclear war, pandemic, supervolcano, or asteroid impact. It’s about not having all your eggs in one basket.