What facial recognition steals from us

It's actually a lot worse than this video shows. Besides normal vision, facial recognition cameras can also see infrared, heat, uv.
With the help of AI they can read your emotion, heartbeat, temperature, etc. The blood veins in your face are like a fingerprint.
All this surveillance stuff kinda creeps me out, maybe I'll start wearing sunglasses on the street, or does that make me suspect?