I'd like an explanation of the recommendable column
"Anyone should be able to use the games they buy, no matter their technical provess.
That means it has to install via deb or snap, register in the OS menu and package manager and run without any issues."
Also, if you want super easy game installs, use Steam. Either suck it up and accept the DRM or teach yourself enough Linux to understand how to deal with all of the myriad weird game installers.
It's not like the Windows versions are any better on the DRM front.