Comment by simplesocieties

> From what I understand these systems are legal because there is no expectation of privacy in public.

This is a common line of phrasing parroted by Flock and their supporters to no end but it's a myth. The SC, as much of a joke as they are now, established that a person has a reasonable expectation to privacy in their long term movements in Carpenter v. United States (2018). To date there is NO precedent carved out in the constitution or ANY Supreme Court case stating that people have zero expectation to privacy in public.

https://www.supremecourt.gov/opinions/17pdf/16-402_h315.pdf