Flock doesn't fight crime, it documents the travel of people without a reason.
If it was such a bad idea, they shouldn't have installed them in Redmond. Turning them off now because some people assumed things that weren't true is idiocy and sets a bad precedent.
It's my opinion that our historical ideas of expectation of privacy when in public spaces are incompatible with the current state of surveillance technology. Sure, everyone should expect that they might be recognized by an acquaintance when out in public, but I don't think it follows that our entire past history should be available at any time in the future.
Sometimes it takes an actual bad outcome for people to realize that the potential problems weren’t theoretical.