They already captured your image 637 times before you even got to the escalator. Giving you the impression that you have some sort of control and resistance from fedzilla over your life is sort of their comedy act.
If that’s the case, why do they insist on getting that photo?
There is a difference between taking a picture, and forcing you into a scan that gives them a picture of your eye into your retina. People use them to open their so called phones....tracking devices.... Fingerprints too.
They likely can identify us by our unique shaped sphincter, that is how intrusive our government is.