And they’re probably gonna figure out the account isn’t being used by the original owner and delete it when it’s 120 years old or some shit.

They actually have terms that cover that. You can’t sell or transfer accounts, and upon the death of the owner of each account, the account will be closed and licenses to games revoked. So yes, effectively, they will have accounts with a general “time limit” for existing, although they’re still coming up on the first time they might invoke that, at being a 20 year old service. The oldest people who have bought games on Steam are probably in their 50’s and so they may be facing it soon. As the user base ages, you might see more “end of life” account options. You know, so you can make sure all those anime porn games disappear and your grandkids won’t be dealing with that after you’re dead.