Ha ha, yes, you should read the Hacker News thread. There is suggestion of wearing a cap with infrared led lights. And people responding “Geez, we are in a time where we are required to really wear a tinfoil hat” (well, comments of that nature).
PS There is more info on social credit in too in: Examples of what is coming to us in the near future
PS2. There is also drone developments which have gigapixel camera’s (basically hundreds of smartphone camera’s combined into one visual) and can glide above a city all day recording every move. There is no facial recoginition from above, but the ultra-high resolution allows zooming in on anyone and do so-called ‘gait detection’ to identify that person.