Black cosplayers

I just would like to hear anyone's opinion on black cosplayers? I've seen too many of them harrassed for being black and cosplaying it's so gross I've recently just seen another one and it had me so sickened actually that people are that hateful for no reason ! She was called the n word with the hard r, compared to mr popo from Dbz it's awful. I've seen many actual Japanese people from Japan support black cosplayers but it's the white people who are upset? Why is that? Idk why they think anime characters are white?! It's the loser teenagers who think anime is a personality trait with anime pfp on every social media they have. Anyways thoughts. (The recent post I'm referring to is @litdesu on Twitter it's her pinned tweet you can check It out if you want.)