[Grishnakh]

There's absolutely no economic rationale for space travel and colonization. If you have automation doing all the lower-end jobs, and no way of transitioning society past the current system where you have to work to support yourself, it's very simple: all these extra people will have to be eliminated. So we have 3 choices: 1) start up death camps and start transporting unemployed people to them for disposal, 2) undergo a violent economic collapse with food riots, uncontrolled crime, etc., or 3) institute a UBI. Only one of these is humane and rational.