I hear u on this, I'm just speaking to the real world use case. I get that Valve could shut off Steam tomorrow and that would be it, but the odds of that happening are low. What I'm saying is, if I usually take 2 months to finish a single-player game, and the game regularly goes on sale for $20, I'm always going to buy the game on Steam vs. Game Pass. That way, if I decide I want to play it 3 monrhs later, I don't have to pay ANOTHER $10 to Microsoft to access it.

And if Valve takes the game away in 10 years? That sucks for game preservation reasons, but realistically I almost never play games that are more than 10 years old.