It just means they’ve survived the first part of the bathtub curve. To me that’s a bonus.
I truly despise how simplified things have gotten. Interacting and modifying YouTube playlists is such a chore now.
Republicans when they get control again: You know what sounds like a great idea? Expanding the supreme court!
Until we figure out how that is possible outside of theory, it is just that. We have no plans that address actually keeping a spaceship working on such a timescale, and keeping the crew alive on top of it.
Considering we haven’t seen any generational alien ships visit, it seems like nobody else has figured it out yet, either.