If you know that putting four wheels on a car works better than putting three wheels on a car, that doesn't make you biased against three wheels. It makes you biased towards better results.
We know that "thought diversity" on a team, which can take many forms, has a short term drawback (team gelling doesn't go as fast) and long term advantages (more ideas, better ideas, better resilience, etc etc).
We know that "thought diversity" on a team, which can take many forms, has a short term drawback (team gelling doesn't go as fast) and long term advantages (more ideas, better ideas, better resilience, etc etc).
Read up.