No, it’s because their culture is closer to ours, so it’s familiar, hence being friends with their diasporan children like myself is easy. It’s close enough to be familiar, and different enough to be novel. Whereas the Nigerian is all different, which isn’t bad in itself.
You can say that the hate some Somalis have for Xabash is irrational, but in what universe do we have a similar culture? Culture wise Somalis have more in common with the Dinka and Nuer than we do the agricultural highlanders.