I sure the mayors or PDs are afraid of the optics.
Canines would be extremely effective.
Think if they’d had had K-9s to clear D.C. yesterday afternoon, it would have been clear in 2 minutes but oh, get the fainting couch!
Using dogs and fire hoses against predominately black crowds isn’t allowed. Too much reminiscent of the bad old days in the 60s. Against a white crowd, they’d be just fine. Doesn’t make sense, but that’s the way it is.