MvdV>> privacy. It seems like an execise in futility. One might as MvdV>> well argue that the number on your car should change every six MvdV>> month to protect privacy.
MR> An IP address can identify a person.
An IP address identifies the machine, not the user.
MR> A number plate just identifies the car, not the driver.
In Germany. That is why they fotograph from the front. In The Netherlands they fotograph from the back. In The Netherlands the owner of the car is presumed to be the driver. If someone else was driving, it is up to the owner to identify the driver.