Cleangreencars has discovered that there are an unusually high number of luxury cars that have been granted the private hire designation, including two Maserati Quattroportes, three Maybach 62 and eight Rolls Royce Phantoms.[From Taxi!? London luxury car owners register Maseratis, Rolls Royces as C-charge-free private hire vehicles – AutoblogGreen]
Incidentally, if you can’t be bothered to send your chauffeur round to register the Porsche as a private hire, you can always just leave the Belgian plates on it, because the supercomputer running the system is not connected to other supercomputers in other European countries…
I drove for 4 years in london with a german plate, many times in the zone (once it was introduced), never paying and my ex never got a ticket sent to her place in HH where the car was registered.[From London congestion charge for foreign cars]
In fact, as that tax-avoiders’ handbook The Independent notes,
there are a number of ways to exploit the loopholes in this system as a private, law-abiding motorist if you are willing to be a little inventive.[From Congestion charge loopholes: Now just learn the Knowlege… – Features, Motoring – The Independent]
Bit I digress. My point is that we have choices, and not building privacy-enhancing technology into a system is making a positive choice to have a data catastrophe at some point downstream.