>>149025076
The most realistic way for the Humans in Wall-E to recolonize Earth is to do it extremely slowly and methodically. The ending to Wall-E was fucking crazy to me. Suddenly leaving their comfortable lives in a low gravity utopia to just start immediately walking around the surface would definitely cause major health problems and probably kill most of them. The best way they could have gone about doing it (which AUTO made impossible by refusing to consider going back) was to park the Axiom in low Earth orbit, slowly wean them off the utopian luxuries and conveniences they had while in space, force them to get fit and make them take over simple tasks that the robots use to do for them.
I don't think they would starve to death. So long as the Axiom remained mostly functional they would still have access to most of the amenities they need to survive until they can establish a proper colony on the trashy surface. Honestly this is why I wanted a Wall-E 2. While I don't trust modern Pixar to make a good movie, let alone a good Wall-E sequel, I love the idea of a sci-fi story about Humanity recolonizing Earth that they left in horrible condition and how they went about establishing the first new city while clearing the damage they left behind.