He could use his assets/wealth to ensure everyone on earth has a functional, hygienic toilet. Would improve QOL for many who still live with open sewer systems.

> I remember when Musk was genuinely trying to make the world better with electric cars.

People rarely 'go bad' like that. You just learn more about who they really are over time.

Elon Musk was never trying to make the world a better place. He was always a businessman and he was using that to con the government into giving him money so he can make more money.