They can’t. Its not a matter of personal greed, its just how capitalism works, it creates immense wealth for a few on one end and mass immiseration for the masses on the other. Billionaires exist because of the system that creates them.

“Machines were the weapons deployed by the capitalists to quell the revolt of specialized labor”

I’ve said it before, all ceos could be replaced by mascots and it would have no negative effect on the productive capabilities of our society. On the contrary things might actually improve for once in my life