OK I see... You hold the very common misconception that black people, by definition cannot be prejudiced against other black people based on race. Therefore if you can find a black person who agrees with you, he is, by virtue of being black, inoculated against the dreaded "racism" accusation... But black people can be more prejudiced, resentful, suspicious, etc., towards other black people than anyone. The reasons for this are myriad, and I won't get into all that just yet, but self-loathing is pretty common among black people and it manifests itself in different ways from hair-perming to victim blaming. My point is that the black-on-black crime argument is still wrong, no matter who buys into it. You pointing out that a black person buys into the argument proves absolutely nothing, and inoculates the argument against absolutely nothing. Black cops can be and often are, plenty prejudiced against other black people.
The irony of arguing that the sheriff is a good anti-BLM spokesman because his blackness shields him from racism accusations is... what you are essentially saying is that his blackness makes him more credible on this issue... you are saying that his voice is more valuable on this issue,
for the sole reason that he is black. And while I was mulling that over, it dawned on me that you don't extend this reasoning to BLM supporters because they are black.
I mean if his blackness makes him more qualified and credible on this issue, why doesn't it make the black supporters of BLM more credible on the issue as well? If his blackness proves that he isn't being racist, why doesn't the blackness of BLM supporters prove that they aren't racist as well? See the whole argument you are making doesn't make sense, and its clear when you look at it from the other side. Anti-BLM folks find him credible,
because you want to, because he agrees with you, and assuages your conscience with the faulty premise that a black guy can't be racist. But you only feel that way when the black person in question
agrees with you. Obviously black people can be racist, and you can see that so clearly when the black person is disagreeing with you... Its fascinating really, the way our perspectives blind us. And BTW... if the answer is "Well he's not racist because he's speaking against black people, and against black people's interest, rather than in favor of it..." and you don't think that shows he is prejudiced against black people?