Why is race and nationality ignored so much in the lore? (why does the lore fail)

[Gramul]

I'm sorry that the rest of the world doesn't slack in their language like the US does
http://en.wikipedia.org/wiki/Behavioural_sciences

Ah that's right. I forgot about those crazy silent "U"s our friends across the vast dampness use.
I officially retract my misspelling/typo accusation.