[Crime] Has the CCTV system made the UK safer?

I now and then read about the surveillance, automatic face recognition systems and automatic number plate recognition and then again it doesn’t seem to affect crime much, and I am not sure about if it really helps prevent terrorism.

I am not sure where to stand on this. Some people do get caught with this technology.
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• Is the UK safer with it? Is it just taking away the privacy of people? Is it more damaging than helpful? Is it worth it?

What do you think?