This might have a side-benefit of not amping up the officer with extreme shouting. A loud megaphone, tactical breathing and a calming voice can defuse more situations instead of self-fulfilling prophecies causing bad outcomes.

Meta: also, the US needs more of citizen-led policing a-la Michael A. Wood, Jr. where the police are part of, and communicate with, the community, instead of being merely a mandatory, occupying, paramilitary mafia resting on the monopoly on violence with impunity, lackadaisical/inconsistent training and blue wall of silence.