Diversity does make a diff but it depends on the problem. Its sort of the Explore-Exploit trade off.
For Explore type problems diversity has a much bigger impact then Exploit type problems. To add to the drama/misunderstandings/confusion sometimes you assemble a team for explore and they do find the gold mine, but then they arent suited to exploit it cuz its in their nature to explore. And vice versa.
For Explore type problems diversity has a much bigger impact then Exploit type problems. To add to the drama/misunderstandings/confusion sometimes you assemble a team for explore and they do find the gold mine, but then they arent suited to exploit it cuz its in their nature to explore. And vice versa.