You can literally have a situation as follows
Black Person Don't use the n word, it's offensive.
White Person Freedom of Speech.
Black Person You're a bigot.
White Person So you just hate me just because I'm white huh?
Black Person ...
Allies OMG THAT NEGRO IS HATING ON A WHITE PERSON JUST FOR BEING WHITE.
Black Person Example A of why allies aren't shit.
Allies *cries* You won't have my support anymore!
Black Person ....