It really grapples with being a parent and trying to make your children's life better than your own, and how you sometimes don't have the chance.

I did not remember that bit at all, and wondered what is going on here. For anyone else:

Later that year, after Voyager had finished being turned into a museum ship, a display featuring two animatronic replicas of hyper-evolved Humans was among its many exhibits.

https://memory-alpha.fandom.com/wiki/Celerity-induced_accelerated_somatic_mutation_rate

Star Trek: Lower Decks S4E1 "Twovix"

I don't think so, but was heavily implied.