We have no idea if a self sustaining colony is at all feasible. If it cannot eb self sustaining than it doesn’t reduce existential risk at all and (as well as opportunity costs mentioned by others) distracts attention and political capital from keeping earth habitable.
We have no idea if a self sustaining colony is at all feasible. If it cannot eb self sustaining than it doesn’t reduce existential risk at all and (as well as opportunity costs mentioned by others) distracts attention and political capital from keeping earth habitable.