Yep and that's fair, but it's still really critical that those of us that can migrate do so. It's a chicken and egg problem. Developers won't feel pressured to support Linux if there's no sizable user base, but the user base won't grow until developers provide support for Linux. He even mentions that in that video. There's a reason I'm only this year planning on switching my primary desktop from Windows to Linux and it's because of how good Proton has gotten. I've already checked every game in my Steam library and while it's not 100% of the library that runs, everything that doesn't is something I don't care about.