Only Microsoft can run decently windows in a decently big data centers. Because they can tweak it, as they do for Xbox os as well. For everyone else scaling windows server VMs or containers is a pain, because windows is a bad, poorly optimized, resources-hungry OS developed with main goal to make hardware obsolete every 3-5 years.
I don’t know what nvidia is doing, but when I use it at my friends’ places, lags are painful.
Linux was the right call in theory, in practice gaming industry is pretty broken on the PC side with its lock on windows, as we see on every new AAA port… Let’s hope valve can save it, but I doubt.