Does it? Because I was just thinking that it's not an issue with digital goods only, they can do the same thing if you have a physical disk and need to activate the right to it using a key, they can just disable the key and that's it, about the guy about talking about NFTs and problem, this is not a problem that happened and needs to be solved, this is a problem for users that has been implemented, I'm sure they would find a way to make it exist even if the ownership was blockchain based.