When a black person makes a racist comment on a white or Asian, are they NOT RACIST?

Black peopl are treated equal in modern society but still many have been using the Racist against Black card for their advantage, I will not mention the name but a black girl here got annoyed on a thread and called all sort of things to me and Asians, so does it means that if you are black you cannot be racist , what is the divine immunity that blacks got the makes them not racist and other racist against them. What's the logic in that?
When a black person makes a racist comment on a white or Asian, are they NOT RACIST?
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