We're talking about license plate recognition cameras, not cameras that show a blurry picture of a criminal committing a crime. These LPR cameras absolutely do result in meaningful law enforcement action and help catch criminals.

See San Francisco and their use of LPR cameras like Flock combined with drone surveillance.

https://fb.watch/GvATBMj1bj/

https://abc7news.com/post/how-sfpds-new-investigation-center...

Etc.