Police unions - what could possibly go wrong when the members of the arm of state power collectivise to exercise their collective power. The example you’ve selected speaks volumes about your sincerity and/or familiarity with the subject.
Similarly, unchecked power wielded by divine mandate that never had an interest in structural checks. We couldn’t possibly bake such checks into a more democratic, less hierarchical governmental and economic system.
You want to shit on the concept of democracy while you’re at it because of the current state of the US, champ?