He really should have just resigned and tried to leave with a bit of real money to have a comfortable (you know, by normal-people standards) retirement. It's sad to see heinously rich people kill themselves over money.
Most of these super rich have built their reputations on being successful, and when the cornerstone of their reputation is suddenly crushed they are overcome really quickly. So it's not so much about the money as it is the self-esteem and reputation.
