Most either do nothing really of note, or donate it to "causes", which may be good, but kind of boring.
God does not come down from the heavens and bestow money that one spends on what one chooses. People value his companies because he’s there. TSLA will instantly collapse in valuation if he exits.
I’m not even kidding. If you can pass the regulation, environmental, land permits, local opposition etc. you will be a hundred millionaire maybe a billionaire.