I dunno if it’s been mentioned, but not taking a year off after ESB to spend with his wife (as he had promised) was the beginning of the end in many ways. I might list that as the #1.
This might be the first time I’ve heard that story.
We never would’ve gotten Raiders, though. Speaking of which, Indy came along and kind of stole the focus that should’ve been kept on Jedi. At least, I’ve always thought so.