Some thoughts on unrealistic expectations:
Essentially, the Left places an inhuman burden of patience and tolerance for risk on police officers, then jumps on the inevitable failure to achieve an impossible standard as proof of police corruption and violence. They do the same thing to soldiers in combat conditions, imposing on them restrictions that defy reason and human nature, then decry alleged “abuses” as creating moral equivalence between Americans and their enemies.
…The best way to lower the temperature in a neighborhood — to decrease the chances for the kinds of encounters that result in unarmed civilians dying to police gunfire — is to continue to engage in the law-enforcement and criminal-justice practices that we know can and do dramatically lower the rate of violent crime. And that means focusing on getting violent criminals off the streets. I strongly recommend Kevin Williamson’s piece on this point. Who commits murders? People with prior, violent criminal records. And so long as violent criminals are on the streets, police on those streets — who are properly and naturally more aggressive than civilians — will make exactly the kinds of decisions in the “fog of war” that cause anti-police radicals to chant for their deaths. It’s inevitable.
It’s all part of the Left’s war on human nature.