My answer would be simple. Roll my eyes. Stand up, and walk out the door.
The question shows a bit how the company (at least the manager) thinks about the world and about interacting with people. If it doesnt fit with your views it might be worth addressing at this point - it's not something that would change in future
Someone who asks it is not someone you want to work for, whichever group you feel you do or don't belong to.
And you are doing what you are (without evidence or reason) accusing the OP of doing. So which particular group dynamics do you have in mind?