what makes it hang together is the humans are all behaving well, which isn’t very human nature like at all
That’s the entire point, is that humanity has grown beyond its destructive nature. Picard talks about it at length with Q, and it was one of Roddenberry’s central visions. That’s why the new “gritty” shows bother me so much, because they’re a slap in the face to Roddenberry’s vision.