> It's pretty clear to be that governments shouldn't be able to 'subcontract' their way out of the limits placed on them via the constitution

At least in the US, they can't. This is already the law.

But what so many people don't understand is that the government does not and never did require a warrant or some other permission to film people in public. Flock isn't allowing the government to bypass limits placed them by the Constitution. Privacy laws, for the most part, protect what people do in private.

One thing the Flock debate had revealed is how many people simply assume everything they don't like is unconstitutional.