This is why you want to set legal boundaries at the outset, rather than let the authorities push the envelope and allow bad practices to become the norm. I thi

This is why you want to set legal boundaries at the outset, rather than let the authorities push the envelope and allow bad practices to become the norm. I think most people would be fine with using facial recognition technology in the instance of Amber Alerts or an escaped dangerous fugitive. Likewise, I think most reasonable people would not feel comfortable in a situation where software is bulk scanning the faces of people entering a stadium and checking them for outstanding warrants for unpaid parking tickets etc. A technologically sophisticated and ruthlessly efficient justice system in a progressive jurisdiction is far more oppressive than a backward, ineffective one under an authoritarian regime.