Surely they could've just included some reference to activitypub, e.g. "Social Web Foundation is Betting Big on ActivityPub Client-to-Server API". that's so much clearer
I use heroic because it uses an epic games store emulator instead of actually using the epic games store, and so it's way faster and nicer than the shitty official binary running under wine or whatever (which is what lutris does)
you game pass/microsoft store games are probably fucked, but steam, epic, and gog all should work on linux just fine (except maybe those that need anticheat)
for steam just use the official client, and you can play epic and gog through the Heroic launcher which is actually significantly nicer than epic games launcher or whatever
the distro doesn't matter really, just use mint or something
have you seen how atrocious the flash chips put on removable media is