>>13kind of sort of not really. if most of those generations spent their whole lives on ships (which need to be maintained) with no easy access to resources and people from outside of their're are community, technological regression would be more likely (and potentially more interesting). see: Heinlein's concept about TV show about space Amish (it got made eventually but don't watch it, it's nothing like his original ideas), Analogue: A Hate Story (disregard the SJWisms), maybe W40k to an extent (not isolated ships but scientific and technological regression due to constant war)