At this point, despite the apparent good use case in this instance, we technologists should be exceedingly mindful of the dystopian future we're giving our overlords. I know many here on HN are aware of the great social responsibility, but all too many of us are willing to implement this stuff for the lolz or the money alone. Do I want cameras recording me and going through an increasingly disproportionate number if ML systems? What about the data? Where does it go? Who is in control of any one singular ML system running these things? What happens when that company starts failing? My data, my biometrics... all sold to the highest bidder.