It looks bad. One group claiming racial injustice, and inequality, and falling barely short of saying "We want you to be bound by the law, but we want to break those same laws with impunity." While most seem to agree there are a percentage of LEO's who violate protocol regularly, no one has decided to clean up that faction, rather they want to eliminate the police so anarchy can reign.
Unjustified death at the hands of police can be no more tolerated than riotus looters trying to burn down a city under the guise of "protesting". Claiming those lawless rioters were not part of the protest holds even less weight than not halting the protests in the name of "peaceful protest".