Its not about crime prevention so much as social control.
"They've had social control for 30 years now, and they don't want to lose that edge in the new circumstances."
There was certainly an element of social control in all this.
Private violence in the West has come under increasing social control since medieval times.
There is a high level of social control and a strong police presence.
The goal was to provide a means of political and social control.
Logic no longer has anything to do with social control.
For 500 years the church had social control because it was the main supplier of images.
In using those techniques, the essential purpose was one of social control.
However, have efforts at social controls over others gotten out of hand?