Earlier quoted context omitted.
People should stop talking for others when they are unelected or not nominated. Just because she feels that way, doesn't mean every black person does. Maybe many do, but I don't think it is productive to speak for other people's experience. Of course when speaking for oneself, then it is fine to say anything.
That seems like a great way to ignore basically any complaint, by dismissing it as a lone outlier. All other things being equal, it should be pretty clear that a given black person is more qualified to speak about the black experience than a given white person is to refute them. If you have reason to believe that this particular writer is unreliable or not representative, then by all means share them.
> it should be pretty clear that a given black person is more qualified to speak about the black experience than a given white person is to refute them
I think people are only qualified to speak about their own feelings and experience, just not for other people unless those people requested that.