Billionaires in general aren't playing 4D chess, why would they? 4D chess is hard, requires sacrifice and valuing something bigger than oneself and one's bank account. Much easier to jump on popular hype trains. If it works you look like a genius and have a million stans to stroke you off, and money number go up so you can flex on other billionaires. If it fails nothing really happens to you personally.
SBF wasn't actually at that level, but he had enough paper wealth that he clearly thought he was. We're watching the wealthy equivalent of that COVID-denier who, with their last breath before being intubated, calls the doctors and nurses who diagnosed them liars.