This is what I don't get.
Humans stopping posthuman development.
Sure, there's going to be a rough period of transition, but the worst nazi bigot patriot zealot, their children or children's children are going to be born posthuman.
This is exactly how gay culture prevailed, all the bigoted assholes from the 1950s, their grandchildren, and great grandchildren are gay and they're dead.
What I liked about the original series was their routine and casual connection/communication with the 25th century... Although upon watching "most" of the show again, half of what I thought was the 25th century, just turned out ot be the Galactic Goverment.
I have the Big Finish Tomorrow people Audio adventures, I just haven't gotten around to listening to them yet.