It might also mean that the latter group simply doesn't exist, not in the money-where-your-mouth-is way. It's one thing to be interested in these things in a "s

It might also mean that the latter group simply doesn't exist, not in the money-where-your-mouth-is way. It's one thing to be interested in these things in a "someone-should-do-something way". But I don't really think either of these are true. Bill Gates has some big "political" goals, societal scale ambitions. Elon Musk too, though he seems to like for profit companies as a vehicle. Some charities get substantial endowments and many in the leaser classes dedicate a lot of their time, attention & money to them.