In the case of games, this is doubly problematic due to patches and updates. People can still play Fortnite and Overwatch today, but they can no longer play those games as they were in 2018. Anyone that never played previous versions can only read changelogs to get an idea of what changed and when.
I don’t think you understand the scale of art that is created every minute of every day.
Yes, art should be preserved when possible and shouldn’t be intentionally destroyed. But not all art could even be preserved, it just isn’t possible.
In the case of games, this is doubly problematic due to patches and updates. People can still play Fortnite and Overwatch today, but they can no longer play those games as they were in 2018. Anyone that never played previous versions can only read changelogs to get an idea of what changed and when.