Your idea, while well-founded, is practically impossible. If he put all his money into the S&P 500, and I refused to do business with any of its constituent companies, I’d barely be able to enjoy the fruits of modern society. I’m not that principled.

As for the second point, I’d contend that the quality of Tesla’s vehicles is suffering in large part because of his direct involvement. Choices like substituting a yoke for a steering wheel and the design of the Cybertruck were his ideas. And I wouldn’t be surprised if the latest idiotic move of eliminating steering column stalks for the turn signal, lights, and windshield wiper and washer were his, too.