It may well be that it's his private life and it doesn't have much to do with things, but it is a contributing factor. The skirting of export bans was the reagent, but the infidelity is the catalyst that is making it much bigger.

CEO is supposed to be a high integrity position despite most tech CEOs trying to pretend that is not the case. If this person cannot be loyal to those closest to him, how can he be loyal to the company or shareholders?