I kinda get it, but what is the practical difference between that and re-renting the game 17 years later? In both scenarios you depend on the game still being a

I kinda get it, but what is the practical difference between that and re-renting the game 17 years later? In both scenarios you depend on the game still being available. (the buy model make it easier to keep the game around on some disk for 17 years ofc.)