Would they know the mission? I think the best way for these 100 or 10000 generation voyages is just to bake the motive into something boring like procreation o

Would they know the mission? I think the best way for these 100 or 10000 generation voyages is just to bake the motive into something boring like procreation or farming or religion or something. I think there’s some sci-fi books where humans are doing one of these voyages and our dna is just aliens parking some bitcoin 4 billion years ago.