SteamOS is free to use for everyone, making it a legit Linux FOSS operating system.

https://store.steampowered.com/steamos

It’s not easy to install for non-technical people though. But Bazzite is, and it’s basically a different “flavor” of steamOS.

https://bazzite.gg/

It’s what I use, and it’s great.

Good point! I mean, valve doesn’t even report to stockholders!!! Bad valve, bad.

And valve has already won. Everyone else is just playing catch-up, and good luck catching up to a Linux-driven steam-integrated platform. You will need it.