This is Amazon's entire warehouse solution, in some sense. Pickers are "optimized" by software. It's probably relatively trivial to teach the system to keep people further apart, at the cost of optimal routing.

They're not monitoring the public, they're monitoring their supply chain system.

They are monitoring human movement, at scale. This is dangerous.

* video feeds + machine learning system for monitoring warehouse workers.

* video feeds + machine learning system for monitoring shoppers.

* video for monitoring entire neighborhoods.

Hmmm, I wonder what their business plan might be.