Yeah, there was very little crime in Nazi German where the SS didn't need any due process to search or record people (they had primitive audi recorders back then). Doesn't make it right.
This falls under "...secure in their papers and effects..."
The cameras are to keep people accountable. You give implicit authority when you choose to drive on public roads, knowing you are being recorded. No difference
Democrats, even when their language evolved, often defended systems of control — whether those systems were slavery, segregation, or bureaucratic dependence. Of course they're going to defend Flock too...
Arguing that you don't care about the right to privacy because you have nothing to hide is no different than saying you don't care about free speech because you have nothing to say.