"They did? Wh--I mean, but what about the people of Earth? Are they going to be okay without all the scientists who were tying to make life better for them?"

It's not like most normal folks could move to a new planet, right? He hopes there's some kind of plan in place to help those people too. Even if there isn't, it's not like Spider-Man can help them out personally. He doesn't have any life saving terraforming technology to make the planet usable for farming again.

Sometimes people are going to be hurt.