It sounds like you are saying she spent 26 years setting him up so she ‘could just get even’.
Huh.
Not at all. I'm sure he has his own baggage with her as well.
His "leverage" in the divorce is giving her a paltry billion. Her leverage (getting even now that she knows the "paltry" settlement) is to make his life miserable until she gets her fair share which is skin off his hide