In both cases the citizenry is paying another party to do a tedious and sometimes risky task instead of performing it themselves.
The ONLY difference is in who is invoicing the pay stub.
Sorry, but i do security. Our primary task is to serve the client, and his will, not law. The job of cop and security are nothing alike. My source of authority is from the client and his rights. A cop’s is from the state. On property, i can do things a cop can’t. Off client property, my orders don’t mean shit.