Anything good?
Then all of them. They are human beings, not black holes of pure evil.
Mark Cuban is a bit of a wall street asshole, but he’s created a drug company to slash the prices of generic drugs for Americans: https://www.npr.org/2022/01/24/1075344246/mark-cuban-pharmacy#:~:text=Billionaire investor and Dallas Mavericks,of its online pharmacy Wednesday.
It’s pretty easy to come up with some things billionaires have done that are good. Bill Gates funding cures and prevention of diseases in the third world is one that comes to mind.
Now, if we’re talking about finding an example of a billionaire whose life is on balance a good thing for humanity…that’s pretty much impossible.
A single good thing that a single billionaire has done? The Gates foundation fighting malaria. I think that’s good.
Good acts do not make a good person. Plenty of billionaires have done good things, but they don’t even come close to outweighing the bad.