The conflation of change in mark-to-market net worth with income has got a whole lot to do with the constant breathless reporting of "Bezos/Gates/Buffet/... made/lost x BILLION dollars today" every time the market moves by more than a point. Sure, I get they want to beat the drum on wealth inequality, and perhaps that's a drum worth beating. But its a disingenuous disservice to pretend that these people are sitting o…
The popular understanding of capitalism is accurate prices and liquid goods, and only a few things (as contested in culture wars) are genuine separate axis. The reality is the real power of the billionaires isn't in their "net worth" (however good the accounting is), but in their power over the institutions they control. Look at the size of the flow in and out of those institutions, their capacity for investment. Realize also that even as we collectively have the wealth for much simultaneous investment, earlier investment has a profound and non-erotic effect on future history (e.g. car vs public transit, Unix being entrenched for 50+ years, etc.) This is the real travesty of billionaire power, not the ability of Bezos to buy big yachts or whatever.