Windows is only "easy" because you're used to it. Coming to it fresh, windows 11 is such a shit show sometimes.
Minecraft works on Linux,
FFXIV works on Linux (it works on the steam deck which runs Linux, so it will work natively just like in windows),
Steam itself works on Linux just the same.
My new LG didn't require it, but the settings menu and 'home' screen nag about lack of connectivity.
"Why did you buy a smart TV if you didn't want the smart features" brother, it was the best tv in that price range and few true dumb ones exist in that range. IMO the smart features should be considered optional but I guess these companies don't agree