"...setting vague rules to hold people responsible when you deem fit to prosecute."

I agree. The rules don't even have to be vague. The people in power have "prosecutorial" discretion, so they can charge one person and let another go, "just because". If you file any complaints against someone in the system, the system will ignore you. When laws are enforced unevenly, you end up with the unaffected people saying it's a good law and the unlucky ones who were biasly subjected to it thinking it's a bad law. If everyone was subjected to the laws equally, then there would be support to change the "bad" laws. Instead, the system wants to hold onto as much discretion as it can so that it wields more power.