But if your spouse/SO/sister/mother/girlfriend/whatever was assaulted while jogging in a park that had Flock cameras, and it allowed law enforcement to quickly identify, track, apprehend and charge the criminal, you'd absolutely be grateful for the technology. There's nothing worse than being told "we don't have any leads" when someone you care about has been attacked.
We can make up situations all day where it can or can not be validated but the reality is that this is a defacto surveillance state. If every move you make can be monitored, you should assume that the state can and will abuse it to hurt innocent people in the name of politics or whatever.