Even if they stored the actual model they could simply change the game and ignore what the ledger says. I still haven't heard a good use for NFT's apart from in

Even if they stored the actual model they could simply change the game and ignore what the ledger says. I still haven't heard a good use for NFT's apart from investment/scams because the simple fact you still rely on some party honoring what the ledger says. Exactly the same thing as CSGO skins, just a better marketing move.