In your last paragraph you are on to something real. There is a similar, nearly parallel, evolutionary path for Jews and Gypsies. Both became parasites on and wanderers between neighboring societies. Both employ racemixing and mimicry to hide to a certain degree. Both emerged from a cauldron of racial mixing. And both have attached themselves to White societies. Though we may find it repellent, in Nature this is a path taken by a fair number of species.