Cloud saves are so helpful, but recently I had some trouble getting NBA 2K21 to work proper. The issue I had, was that my save file became corrupt somehow and flat out dissapeared. I was unable to load my save file and my career mode. I contacted epic as it shows my game had cloud saves set to on, so I thought maybe they'd be able to port the save to me. Nope. So I contact 2K and they too are no help.
So, I think all games should include cloud saves going forward, and if any files are corrupt on the main drive, it should revert to the cloud backup. I think every online game should have this, especially if you need online to play the game in the first place.
But yeah, the NBA 2K thing was annoying, because when I see cloud saves, I should be able to recover my saves from the cloud. But I guess Epic or 2K doesn't have a good save system afterall.