But there are many people like him.

You are underestimating who we are up against. The US govt, if you consider it as a company, is worth 100s of trillions. Elon is nothing in front of the US cabal. He is nothing in front of Putin or the Saudi Crown prince.

We need more money at the top to solve these problems. Without money we can't do anything. And a solution to these problems that requires investment will probably make Elon like figures wealthier for solving such big problems.