Let's try and think through the consequences of accepting the arguments of some on this thread.
Creighton and others state that whites are inherently predisposed to be racist towards blacks. Whites cannot be trusted to act without prejudice when interacting with black people. White cops are unable to act with moderation when faced with black suspects; their actions will always be disproportionate and involve excessive force.
This prejudice is both genetic within whites and is further bolstered through white privilege and the institutions and structures that have been created by white people.
So what are we to do as a society to deal with the racism inherent in the white system? It must naturally follow that if these arguments are correct, then white people must be kept away from black people for their own protection. Whites must not be in any position of authority over blacks. Black communities must be policed by black cops. Black suspects must be tried by black juries and judges. If a crime is reported and the suspect is black, white officers must stand down until their black counterparts arrive who can deal with the incident without racism.
Similarly towns which are majority black, and where black communities are kept in poverty by the racism inherent in the white system, must be given over to black leaders and authorities. It will only be when blacks are free of the prejudice of whites and allowed to run their own schools, universities, businesses and public services that they will become successful.
In the face of such monumental racism the idea of "checking your privilege" is an absurdly ineffective tool. Merely being conscious of their privilege will never be enough to remove entirely the racist impulse from whites. As far as I can see removing whites from any authoritarian interaction with blacks is the only possible solution to the intractable problem of incurable, inherent white racism.
In days gone by this solution would have been called segregation and spoken of with horror. But this time it is black people who seem to be calling for it as they require protection from racist whites. Is this where we must go to next?