There are a lot of different types of characteristics that get described as ‘smart.’ Risk aversion is often categorized as ‘smart,’ as in “I’m too smart to do something that risky,” but that is definitely not something billionaires are known for - you can’t get that much money without big risky bets paying off.
Lack of shame doesn’t do you any good financially if you aren’t using it to take social risks that people with shame wouldn’t