[Silhouette]

I feel rather similarly about number plate scanning for cars. My local supermarket lost literally £10,000+ when they installed scanners on their car park a while back and we took our custom elsewhere as a direct result. I don't know how much they make in fines, but I expect my family alone cancels out everything they made for a while after introducing the cameras. (And yes, some of that chain's stores did get pulled up for trying to charge fines that weren't justified after installing similar cameras. It made the local paper, with resulting PR about as good as you would expect.)