[petsfed]

Eh, the case law here is less clear, principally because automated surveillance at this scale has never been possible before. But its also unclear because this is a tricky zone for the (mentioned elsewhere) "State Actor Doctrine". Since there are legitimate, non-government uses of e.g. license plate tracking, that means the product and service is not, obviously, a state actor. So should the 14th amendment cover it? My gut feeling is "yes", but case law doesn't (yet) reflect that.

Did the founding fathers anticipate a situation where everyone, everywhere, in public, was being surveilled, ceaselessly, in a fashion that allowed automated tools to pick out individuals, but at basically zero cost?

"No reasonable expectation of privacy" presupposes that the potential invaders of said privacy are actual living human beings, who have to be paid for their time, and thus have to sleep, eat, excrete, blink, etc. They cannot be on the job 100% of the time without incurring considerable cost. Previously, perfectly tailing someone 100% of the time was reserved for the most valuable of targets. Now it can be affordably used on somebody with overdue parking tickets. Or whomever the summer intern at one of these shops decides is cute and has an easy-to-remember license plate.