Yes there is a very simple reason which is massively anti-consumer. Every product competes with it’s own predecessor. Physical products will sooner or later break, movies will sooner or later get boring, same goes for music. But video games are different. People are still playing Tetris and Super Mario 64. You release one good game and the next one has to be better otherwise people will just continue to play the previous one instead of buying the new one. Publishers try to control this aspect. They dont want you to own games only have a license to play. It’s not even a question of “if” they going to take away your older games, but “when”. They want to restrict access to the previous product so you will have to buy the new one. They want full control. Look at Call of Duty. All but, the newest titles are barely playable, and that is done by design.