system
Given the following post, respond as if you're commenting on Reddit:
human
[WALL-E] Did any of the other Buy N Large starliners go back to Earth after the Axiom did? If not, what happened to the rest of the starliners and their passengers?
gpt
Actually, the Axiom was the last.

Eve was hardly the first one to come back with proof of vegetation from Earth. After all, there were vast fields of the small plants just beyond the city. Similar robots had already returned positive, causing their respective starliners to divert course and come back to Earth. Yet because the Earth was not ready to support human life once again and because the occupants of each starliner were hardly in a state to support themselves, their missions ultimately failed.

The navigator of the Axiom knew this, and because its mission was to ensure the survival of the Axiom's occupants (who at this point represented the entire human race), it obstructed Eve and any attempts to return to Earth. In fact, Eve wasn't even the first robot from the Axiom to return positive. Others had before her, and this is why Eve's shuttle landed on top of the dessicated, salt-encrusted remains of the ocean near a large city where vegetation had no hope of growing without human or robotic help. The navigator was trying its best to ensure Eve's mission would always fail so that humanity could live.

That the Axiom eventually succeeded where others failed comes chiefly down to two factors. One, enough time had now passed where the Earth could again support human life. But two, the shining example of Wall-E and Eve, along with John, Mary, and the Captain, was an inspiration to all. Unlike the other ships that were simply checking off a list, the Axiom actually had to struggle to return to Earth, and it's that initial struggle that saved them.