The question is probably rhetorical, but Loki can't help thinking about it, coming up with an answer, and vocalizing it.

"Because this is not the worst they can imagine. Certainly they have only the slimmest of prospects, but they are currently fed and housed. Bad things may happen, but they can convince themselves that such misfortune will never befall them. They are not desperate enough to fight for something better, not when it means risking what security they do have. Cygne and Goluboy likely engineered it that way, so they could control the town and its people for their entire lives. That is, if they do not intend to become immortal."

And isn't that a horrifying thought. This town, stuck in this rut forever, without even the hope that the puppet-masters who made it that way will die and their hold will be broken.