"I guess we're all waiting to see what this is even about, let alone how to rebel against it. If that's what people want to do." Desmond can't, but he's also not of the mind he'll require everyone to stay just because he's dead. If ending this means dying again, so be it. He didn't sacrifice his life to help other people if he was going to swing around and be selfish now.

He followed her lead and started toward the inn. It was fucking freezing, yes. He thought about the question. "I've rebelled against people and organizations but I wouldn't call myself a rebel." He rebelled against the Templars and the Assassins both, and then Minerva when she asked him to sacrifice most of humanity. "We were out to save the world. Solve mysteries, figure out how to set off this piece of technology that would protect the earth from a coming disaster. That part didn't require rebelling, just getting ahead of the enemy."