Super broad generalization, yes.

That’s one of the biggest things valve has contributed to for the Linux community, unshitifying gaming on Linux. Proton does an amazingly good job at working on most games. And steam does a great job of making it easier to use proton.

Now there are always a few problem games, mainly ones that use some crazy kernel level anti-cheat (that doesn’t work anyways). But if you’re curious look at https://www.protondb.com/