Indeed. The on-line lynch mob forms quickly, draws immediate conclusions based on a single video, and is more than willing to deprive a person of a fair hearing if they can bleat endlessly about “black lives matter” and so forth.
It’s now moot. He quit.
However, cops often do stuff that from the outside looks bad. There are often reasons. Sometimes not. Those guys who are shooting 12 YOs within 5 sec of arriving on the scene? No sympathy for them - arrest and try them for murder. The guy who shot the guy in the back? Same response. But many other cases that are tried on the internet? I hold a more nuanced opinion.