The police is siding with whatever group is the most likely to do the violence, as long as they aren't White.

You don't need the second part of that sentence. Whites are basically the most placid, pacifistic, nonviolent "group" out there, so they're just naturally on the bottom of the totem pole. Canada had a whole-ass riot and capital city takeover by whites, and the biggest complaint was food shelters were losing business because the truckers were giving away food to the homeless.