The new management found many billions of assets of various asset classes https://www.reuters.com/technology/bankrupt-crypto-exchange-... When FTX thought it was broke, there were really billions of dollars of stuff they were too much of a mess to come up with.
That isn't to say that 'all the money was there' or that the conduct wasn't deeply criminal and unethical, but a huge part of the shortfall was really just terrible books.
That isn't to say that 'all the money was there' or that the conduct wasn't deeply criminal and unethical, but a huge part of the shortfall was really just terrible books.