Earlier quoted context omitted.
Are there any less obviously aggressive tactics we can use? Wear something that is blinding to the cameras, or something else to obfuscate?
Slapping a pair of glasses that are recording you, processing your face, sending biometrics and images back to one of the worst privacy offenders on the planet off of the face of someone who is willingly doing all that without asking your permission is a perfectly appropriate reaction. Put your shoulder into it. I'd rather we normalize that than adversarial fashion.. but that's probably what you were looking for.
while noble, basically any western system will punish such behaviour as assault ... perhaps this point could be expressed as a prefererence for the law to change such that deprivation of privacy becomes a valid self defense argument ... in the meantime there do exist passive defenses such as face masks designed to interfere with facial recognition