I think one of the problems in the world, and maybe this is contributing to the high income inequality, is that people want to be billionaires. There's too many people trying to line their own pockets, over payed CEOs, hedge funders doing questionable things to increase their fees. After like 10-20 million you can buy pretty much anything you want and do anything you want to do. Is a 200 foot super yacht, better than a 40 foot? Sure, but you don't need to own it you can rent it. Is a 50,000 sq. ft. house better than a 10,000 sq ft house? Who cares.