What If Our Clothes Could Disrupt Surveillance Cameras? (youtube.com)
Facial recognition, and the allowing of it for governments and other institutions, not only causes people to be less likely to protest, but also less likely to do any social activity. Easy how to see how they become oppressive. Especially oppressive for peope who are trying to make changes in the law or in society.
We don't have any evidence this even prevents crime. Maybe a 13% reduction in theft, but no reduction in violent crime, in one UK study. Is this reducing crime ‘in the way that we would like to’?