You do however posses an uncanny ability to mix together all sorts of things barely related to the subject.
The simple truth is games happen to be playable at settings other than max. Some will look better, some will look worse, depending on budget and who coded it and made the assets. But I have never met a person who didn't play a game because they couldn't max out shadows or textures. I have met people that delayed playing a game, because they were planning an upgrade and thought they'd make the best of it.
That you can't see the relation is not my problem. It is pretty obvious to me...
I have met people who won't play a game if they can't max it out, and also people who won't play a game since they will be getting an upgrade soon. I haven't met a person who looks at system requirements, unironically, since 2011.
Oh, I'd bet good money a majority wouldn't consider 30 fps to be playable in most genres/titles. RTS, I can do... FPS...I'd cry and likely get a headache...
Playable and enjoyable I'm kind of using interchangeably. I mean... 15 is playable. The game plays...but the experience and it being enjoyable, the majority tend agree 30 fps isnt for PCs.
But....this is all a bit OT. I'd love a thread to get down to the bottom.of why 30 fps seems different on a console versus a PC (I know why movies can get away it).
Majority rule is not a valid argument. It never has been, but if you want to play with that - consoles as a whole (not individual platforms) are bigger than PC Gaming. RTS is extremely demanding, what you are looking for seems to be turn-based strategy or tactics. Those you can tolerate at 30 fps.
PCs are not some ephemeral platform that is so different to consoles. The requirements in games do not mean much, that is the point. BTW, Wolfenstein The New Order used to be (before a game update which broke its wobbly engine) be playable at 60 fps, 1080p on a 6850. Even using your wacky ideas for what system requirements should mean, this is illogical.
3GB is way too little. 4GB is pathetic too. It is not a good idea at all. VRAM matters, modding matters, the 1160/2060 is fast enough for it to matter even for people who misunderstand how VRAM works.