>There’s no mythical third act where you go through some library of physical CDs and reminisce about an old ass game.

Huh? You won't replay every game, sure, but once in a while you'll find a game that you keep coming back to even many years after first playing it. The last time I played Pokémon Red all the way through was only a few years ago. I have permanent Deus Ex, Crysis, FEAR, and Duke Nukem 3D installations on my hard drive, so I can run them for a bit whenever I feel like. Maybe once you put down a game you never pick it again, but don't assume what is true of you is true of everybody.