It’s in the EULA for every piece of software,** including physical.**
Bolded for those that aren't getting it.
Even if you buy a disc, that does not guarantee you can play the game in the future. Often games have to be authenticated on install, and if that authenticating server is no longer online, you can't play the game--even if you have all the files required to play it.
Europe had a whole "Stop Killing Games" initiative that would require companies to unlock games they are no longer supporting, but that mysteriously vanished from the legislative docket after meetings with game companies that organizers weren't invited to.
Stay mad, but you need to be mad at the right things.