How would it chill things that aren’t crimes without deterring actual crimes? This seems like a convenient set of assertions if you’re a priori against surveillance. You’re also missing the aspect of catching crime rather than deterring it.
Do you really think there aren’t police forces that will use this in the furtherance of political goals?
https://apnews.com/article/nypd-george-floyd-protests-settle...
https://www.nyclu.org/press-release/face-lawsuit-nypd-ends-r...