Yeah, this seems to be one of the two pillars holding it up: "I need specific <Enterprise Software>" or "I wanna play something with anti-cheat". Luckily I don't need either, but I hear that most non-anti-cheat Games basically work now anyways, which seems to be corroborated by You must be...
Are you referring to Virtual machines? I meant the functionality of window managers on Linux for example where you can assign windows to a numbers desktop.