In my own personal experience, as a gamer and having switched my main machine at home to Pop!OS some months ago, it’s more like “need Windows to run nearly 5% of games” thanks to Wine and Proton which work as adaption layers to let Windows programs (not just games) run in Linux.

(Curiously I use a lot more Wine with Lutris than Proton and Steam, so my success rate is even down to how far the main Wine project got, rather than any special juice that Steam might have added on their Proton branch of Wine - you don’t really need Steam or Proton to run most games in Linux and the success rate for just running games from GoG or even pirated ones is just as good and from some games it’s even the case that the Steam version won’t run but a pirated version runs just fine, probably because it was the DRM that the pirates cracked that caused the problems).

Mind you, at least in my games collection only maybe 1 in 20 have native Linux versions (which is still better than 99% of games being Windows only), but because of adaption layers like Wine and Proton, for most games you can run the Windows version of it in Linux.

Absolutelly, in the old days it definitelly was the case that Windows was needed for nearly 99% of games (I should know: I’ve been trying to switch my gaming to Linux since the late 90s), but that’s not at all the case anymore.

Your idea of how hard it is to game on Linux is at least 1 decade out of date.

I have a cheap N100 mini-PC with Lubuntu on it with Kodi alongside a wireless remote as my TV box, and use my TV as a dumb screen.

Mind you, you can do it even more easily with LibreELEC instead of Lubuntu and more cheaply with one of its supported cheap SBCs plus a box instead of a mini PC.

That said, even the simplest solution is beyond the ability of most people to set up, and once you go up to the next level of easiness to setup - a dedicated Android TV Box - you’re hit with enshittification (at the very least preconfigured apps like Netflix with matching buttons in your remote) even if you avoid big brands.

Things are really bad nowadays unless you’re a well informed tech expert with the patience to dive into those things when you’re home.

I use a pretty basic one (with an N100 microprocessor and intel integrated graphics) as a TV box + home server combo and its excellent for that.

It’s totally unsuitable for gaming unless we’re talking about stuff running in DOSEmu or similar and even then I’m using it with a wireless remote rather than a keyboard + mouse, which isn’t exactly suitable for PC gaming.

Mind you, there are configurations with dedicated graphics but they’re about 4x the price of the one I got (which cost me about €120) and at that point you’re starting to enter into the same domain as small form factor desktop PCs using things like standard motherboards, which are probably better for PC gaming simply because you can upgrade just about anything in those whilst hardware upgradeability of mini PCs is limited to only some things (like SDD and RAM).