Literally none of that requires an nft. Standardising items between games also makes zero sense, games by their nature are very different technically and would require the items to be implemented in every game, which wouldn’t happen.

He was supposed to have made his money before FTX by doing crypto currency arbitrage, but people have gone back and done the maths and his supposed profits were mathematically impossible (or just exceedingly improbable). The fact that his crime here was investors money went straight into a slush fund for his and his friends personal use suggested he didn’t make that much money first either.