> I'd gently suggest that, were you to look around, you'd see others behaving in similar manner; but, for whatever reason, you are noticing it more with this chap...confirmation bias.

I agree, I'm well aware of the possibility and am trying to combat it the best I can. But @CarbyAu is right, no one trained me in how to deal with this kind of situation and it is just inherently difficult for everyone.

That said, from his side, if I were a member of a $GROUP that had certain negative stereotypes about it, I'd consider it wise for my own personal interests to try to avoid playing directly into the stereotype.