> That all ended, and the clones as well, when Jobs came back.
That's not true.
I don't have the time to grab a timestamp right now, but he very explicitly states that he is pushing clones hard in this (and reps Amelio).
It's completely true. He came back, personally went to the licensees asking for what he thought was a reasonable deal. They said no five times over three weeks. And so he cut them loose.
https://www.youtube.com/watch?reload=9&v=maIgu_7oLm0
NeXTStep (or perhaps more correctly OpenStep) > Rhapsody > OS X. None of that was licensed to 3rd parties.