I mean assuming you live in a city you are being photographed up to thousands of times a day already.
And a lot of those video devices are using Google Corel TensorFlow.
There was a YouTube channel of a guy that goes around videotaping people in public because it's legal.
His point was this is already the default mode of society.
It would be funny if people normalized full face masks with printed designs in response to this future.
I'm not sure what Gait is but I am sure that if people start to ditch their phones and mask it will get a lot more difficult to Geofence ID crowds or whatever.
I'm sure that as pressure on people increases their tactics and strategies will evolve as needed.
This is a great opportunity to push for open hardware to develop all the capabilities of a cellphone without any of the tracking.