Everything is effin' creepy, your rights end where my start and all that. And I will guard my and my family privacy with closed fist traveling at non-trivial speed to face of folks deliberately wearing such glasses and recording, pedophiles or not. Its also punishable by law to record people without prior consent where I live (Switzerland), and not just theoretically on paper.

Since fighting government is extremely hard, lets tackle lower hanging fruit above first and try for the best case scenario later. Also, government can claim its primarily for security, whether true or not depends on the case but private folks can hardly claim that.