alt Hacker NewsI would expect indoctrination something like what keeps alignment among devout religious practitioners would be forced to emerge. The alternative is extinction on a spaceship hurtling into the vastness of space.
I suspect education on that ship would look a lot different than it does on Earth.
That would mean we'd send them off with highly limited knowledge specifically designed to keep them docile, and an automated dictatorship that keeps the system rigid without leaving room for cultural development.
At best that's slavery, at worst it's reducing those 1000 generations to cattle.