It kind of sucks because this weird historical revisionism really makes it so that interesting cross-cultural interactions of the past are completely ignored, like the vikings' fascination with the Arabs and their culture,
though the Arabs thought they were simultaneously beautiful, but also disgusting, uncivilized and horrifying.
I love learning about ancient cultures clashing with one another and if there had been any interaction between the vikings and sub-Saharan Africans, that'd be really cool to learn about, but from what I can see, there were no black vikings, at least none from any sources that are scholarly and don't come across like grifters trying to make a buck by trying to play fast and loose with history. Meanwhile we have actual historical record of real-life black samurai
Yasuke but not a single name of any black viking.
... I think a black viking would be a really cool concept to explore in historical fiction, though.