Basically, the dems bet that black voters are too stupid to see that BLM is exploiting them. It's a bet they will lose at the ballot box. Bigly.
So many minorities are on police forces in major cities it removes the narrative that White Cops are hunting down AA men. In fact, when I worked in Palm Beach in the '90s (I was a minority on the PBCSO and I'm Caucasian).
Basically, the dems bet that black voters are too stupid to see that BLM is exploiting them. It's a bet they will lose at the ballot box. Bigly.