Are you asking why we do not have multiple 'mono culture' portrayals of Humans where some are better than others at different things?
I'm saying trying to tell what race someone is just based on mannerisms could be difficult given that humans can have a vast variety of attitudes and mannerisms. Being haughty or honorbound aren't just for elves and dwarves, ya know.
You mean the tongue in cheek alternative 'Else World' for Warhammer? Of course I am aware of it. I grew up on GW.
Cool?
Warhammer Orcs and Orks are absolutely savage, 'force of nature' type entities that exist to fight. I'm not sure what your argument is here. They are extremely 'monoculture' would be seen as Chaotic Neutral at best, and honestly are CE by any reasonable measure, and they live to fight, and butcher, for their Gods. They have low level gear, are brutish, and have zero interest in again, anything but fighting.
That's somehow different from 'Savage Orcs of the Forgotten Realms'? How??
I mean, 40K Orks do have different cultures within them (the Clans), while there are different kinds of Orc cultures within Warhammer Orcs (Black Orcs, Savage Orcs, etc). Same with Gobbos.
And yeah, they're completely different in attitude and execution than Forgotten Realms. Orcs in Warhammer are halfway comedic in attitude and action. They're nothing like the bland hordes of the Forgotten Realms, which have no personality.
WoW Orcs are better (now), certainly, but they didnt start that way. Granted, Daemonic influence and all that, like say Gruumsh perhaps on FR Orcs.
By Warcraft 2 they were breaking away from demonic influence. But even then they are better than the MM Orc.
I have not played the default faerun setting in so long I cannot honestly tell you what my players think. Though most of them think the Forgotten Realms is 'dumb'. So I cannot tell you either way. Just how they react to the races I present them. And I struggle to get some of them to do it in any way but 'Im a human, but with powers!'
I'm not huge on the Realms either, so we can agree on that.
But the whole mannerism thing is an interesting idea, though I'm not sure how effective it is. When I played a dragonborn paladin, I could see how he might be seen as largely a human from mannerisms, but at the same time the dragonborn part of him came from his background and personal story.
Total Anecdote: The only people I have personally ever met that really like forgotten realms and the setting are people who are really, really into elves. Like...REALLY into elves.
lol
And look how well it's doing. Online it's competing with PF1.
Reason 5E took off was because of its relative simplicity.
I mean, that's enough to make it the #2 RPG that's still getting support.
And D&D exploded because it had 40+ years of cultural cache and people were ready to get back into RPGs. That's the long and short of it. "Simplicity" doesn't really explain things, and honestly given how much people modify and add things to it, I think people may think it's too simple.