A private conversation between J.J. Abrams and Rian Johnson.
J.J.: “Rian, why’d you killed off Snoke?!?”
Rian: “Because he was a pale imitation of Palpatine. Surely, we can come up with someone better for episode IX."
J.J. immediately responds: “I’ve got it! You said it yourself...No one is better than Palpatine...let’s bring him back!!!”
J.J.: "Don’t you love it?!?”
Rian: “But wouldn’t bringing back Palpatine be a slap in the face to the fans of the first trilogy?…