>>15584166The rumor I keep hearing is that he's extremely disillusioned with AEW/Tony and wants to quit as well. I've heard it similarly to you. People who have sources but are far less known than the bigger dirt guys. The IWGP title reign was arranged to help smooth things over, but obviously that didn't go very well.
Notice how he wore a New Japan jacket out during his last match? I think he's just done with American wrestling in general. AEW in the form it is now is definitely the complete opposite of what was sold to him. They're just WWE lite complete with WWE writers.
Could all be bs, but I think there's a lot of truth to it. Missing All In while they're still negotiating their new TV deal is a big red flag.