Notably, they are not used for speed detection or 'good driving' detection.
You might think that having a constantly-present, objective, impartial camera enforcing a law is better than a sometimes-present, subjective, often not impartial beat cop doing that. But that's not what Flock does. Flock just turns that 'sometimes-present' beat cop into an 'always-present' beat cop, without addressing any of the other beat cop problems.