It’s called normalcy. People will often seek a familiar environment when they’ve been cast into an unexpected role that they aren’t used to. It’s part of the reason why the homeless can never keep a home and why those born in the middle class often stay middle class.
If John Whittaker had not won the lottery, he would have stayed a happy small millionaire. However, because he did win hundreds of millions of dollars, he was driven to get rid of it all.
Possibly the same with Paul Sr. He’s a smart guy and he’s always had to work for his money. When Discovery just gave him cheques of a few million a year, it put in a spot that he might not have been all that comfortable with in his heart and mind.
You’ve got a theory that works in some cases, but doesn’t apply broadly.
Humans come in all manners and varieties. One size does not fit all.