I used to be a cop, and it could be fun when someone in a car yelled at me, or tried to lecture me about riding bikes on the street. Some drivers were belligerent enough to stop and roll down their window, or get out of their cars to threaten me. It was fun to see the look on their faces when I would show them my ID and badge, order them to get out of their car, have a seat on the curb, and then wait while I had a patrol car come out to check their license, registration, insurance, etc.