In these times, the primary mode of travel is on foot, and communication mostly involves shouting. Even if a police station receives a report, it's unlikely they'll make it in time for the heat of the action.
Without receiving sufficiently detailed intelligence beforehand, it's simply impossible to respond promptly to emergencies as they arise.
Unless you're willing to abandon legal principles and adopt a policy of presumption of guilt, arresting anyone who looks like a criminal, incarcerating, and rigorously torturing them to slowly concoct charges against them—this was something the Brocade-Clothed Guard Yamen of the Former Dynasty were adept at.
Otherwise, you'd be resigned to reacting after the fact.
Ah, you players, ah, so explosive!
Wang Yunxiao understood the logic, but he disliked it.
"If you don't like it, then change it. What's the use of sitting here in a huff?"
