I’ve worked with a Turk who picked up women effortlessly and an emotional Armenian, each looking stereotypical for their nationality. We got along great.
I had college classes with Israelis and Syrians. Stereotypes applied here, too. The Israelis were ectomorphs and the Syrian a Gaulloise-smoking mesomorph. They hated each other’s guts.
I could name a list of guys who got along great with muslims of various nationalities until they were killed by them ...