Silvercat Moonpaw
Adventurer
I would rather have none. The simple monoculture too often ends up as an excuse for something, often "humans are better than everyone else because they are so diverse". That's exactly the wrong sort of thing I want to be seeing when thinking about differing cultures.The simple answer is "because you can only ask your audience to remember so much". Elves and aliens tend to have monocultures (or an unreasonable small number of cultures) because there's only so much fictional ethnography a reader/player can take before it all blurs together and you lose any meaningful distinction.
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Put crudely, Vulcans can have either have one distinct racial culture or no distinct culture at all.
I think the problem stems from authors trying too hard: they think they have to make their non-humans stand in groups, so they blow the reach and impact of the culture out of proportion. The culture is assigned top-down, rather than building it up from the shared pieces possessed by its individuals the way it works in real life. I can see why it's done the way it's done, but I'm tired of it.
Then just make them act like everyday people.Most authors/DM's should be so lucky that their elves and aliens approach the depth, complexity, and, most importantly, relevance of everyday people.
Which is okay: the key is the separate race and culture in the mind of the reader. So even if a culture ends up having only one race listed as common you've at least given cause for the reader to think it's not inherent to the race.Though, while I'm not usually one to bring up... ahem... realism, not all cultures are big, multi-, heterogenous affairs.