A blue collar factory worker, a harvard grad management consultant, and a business researcher who are all white males try to reduce car part inventory through logistical innovation.
A black woman, a white man, and Asian woman who all graduated from Harvard and worked for McKinsey try to reduce car part inventory through logistical innovation.
I wouldn't be surprised if the more diverse group came up with a better solution.
To take your contrived example regional diversity will have a much larger impact on making sure someone has encountered a swamp than racial diversity.
I think it's easy to overestimate the effect of racial diversity and underestimate the effect of other types of diversities on problem solving style because one is so easy to see.
