At first, right now, yes. But if the Deck continues to be popular then developers themselves will ensure that their games work with proton the same way they make sure their games work on the Switch.
Yeah, there's a chance this all ends like OS/2, but considering how hard Microsoft is working to tank Windows among power users (and who else even still uses a Desktop?) at this point, I'm betting it doesn't.
Yeah, there's a chance this all ends like OS/2, but considering how hard Microsoft is working to tank Windows among power users (and who else even still uses a Desktop?) at this point, I'm betting it doesn't.