If you have a NJ (and I imagine any out of state) license plate you automatically get a parking ticket regardless if you are parked illegally or not. They know 99% will just pay it and not waste their time to come back and fight it.
Its another way to tax Jereyites. Plus, the more of you it discouages from coming into city, the better. Next up: Tolls for all bridges and tunnels across the Hudson for any NJ registered vehicle: Both ways.