There's more personal/private stuff than biometrics going on here. Biometrics are WHO you are, including gait, but AI and cameras are able to determine your me

There's more personal/private stuff than biometrics going on here. Biometrics are WHO you are, including gait, but AI and cameras are able to determine your mental state and responses to stimuli while shopping. It can watch your gaze, which products you look at, which ones you touch and put back. Eg, what does it tell you if someone picks up a pregnancy test and puts it back?