Of all the different issues we face, three problems pose existential challenges to our species. These three existential challenges are nuclear war, ecological collapse, and technological disruption. We should focus on them.
I personally am not worried about settlements. I think they’re so far in the future that we can’t predict what they’ll look like. We can’t even keep human beings, particularly a lot of human beings, alive in space or have real settlements, the way we envision a colony or a settlement. I don’t think the lack of sovereignty is going to hurt any of this.