I had to go to traffic court and defend myself from a parking ticket because a meter monitor typed in my license plate instead of the offender’s. I had a valid

I had to go to traffic court and defend myself from a parking ticket because a meter monitor typed in my license plate instead of the offender’s. I had a valid permit for the space, so I was good to go. When I went to court, the person had actually taken photos of the other vehicle (with a completely different license plate). Thing is - in both systems there are costly errors - human and technical. You have to look at the total cost of the system to figure out the net benefit to society.