In the decade before covid-19 the wealthiest 1% of Americans had, in aggregate, about twice as much in cash and chequable bank deposits as the bottom 50%.
That man also revealed that FTX let thousands of uncashed deposit checks sit around like junk mail and approved millions of dollars of expense reports via emoji on Slack.
Both companies made their fortunes building and selling ATMs to banks, but there's only so many banks in the world who need ATMs and so much innovation to be had with cash withdrawals and check deposits.