The cops stood down because all they care about are their inflated paychecks and benefits.
They’re cowards.
It’s a city where you aren’t allowed to have a gun to defend yourself. When you choose to live in an area where you cannot defend yourself, you need to learn how to take a beating because the cops know you have to take it.
If this were Texas, the cops would have to come out because they know the Trump supporters would open fire.