There's a decent chance that this will change with the upcoming steam deck: https://partner.steamgames.com/doc/steamdeck/faq

Valve is working together with AAA publishers to get better Linux support.

Truly an amazing development. I hope the Steam Deck is popular enough.

First orders start shipping december 2021, current orders start shipping after Q2 2022, so I'd say it's pretty popular.

The development of Proton has already changed it a lot, the progress is really impressive.

You mean the same AAA publishers that publish games on Stadia and Android?

Yes, and? Computers are so much more than gaming devices, it makes no sense to restrict yourself just by that one facet. Or should I use a PlayStation as my main computer just because it has exclusive titles I like?

Nobody said anything about only using a computer for gaming. It's just that for many of us, gaming is the only reason we're still running Windows at home on our desktop computers.

Just treat it like another game console, then, if you think that Windows is inferior for all other purposes.

I use Linux daily on Win 10.

WSL2 is a game changer.