"Yeah, I'm guessing that's why they won't let us have access to the thing in the first place. If we figure it out, they're probably in trouble, because most of us are going to leave."

Most everyone except those who have nowhere to go. Which is mostly just the ones who are dead back home.

"And it's not like we could just invite them back with us. That would mean potentially inviting the Null back with us, too. And seeing as how they killed all the gods' other hosts, that's not exactly a great idea." Michael doesn't like to think about this too much, but- "If we figure out the Door before they figure out the Null problem, then it'll probably come down to a fight."