what a weak threat. he should threatened to report the funds to exchanges to be blacklisted, that would be far worse. Technically, they would not pay anything unless they sold it for cash anyway.
Like the sketchy folks who run Tether and Binance at the same time.
Or Elon Musk tweets raising and lowering the value of Bitcoin by a significant amount.
Even Bitcoin itself is largely held by just a few people. It's just another tool for billionaires to get even richer.