Comment by antonvs

> You're saying there might be some expectation of privacy even in public?

Sure. The expectation is that your every move in public is not being recorded and stored on a central system that the government, and by extension various kinds of bad actors, can access.

In a society where the government's role is to defend its citizenry rather than participate in their exploitation, this would be an easy choice.

US governments (both federal and local) face some challenges here, because "defend its citizenry" is not really one of its main goals.