Wasn't there a "standard" that phones in south kora had to make a shutter noise when you took a picture because they had such a huge problem with men doing up the skirt photos of strangers?
Not sure why you think social norms are positive. Negative amoral behaviors can become norms. I'd argue the west has tons of amoral behavior that is normalized.
Not sure about the noise, but Japan did something likr it with a constant light when the device was recording. I believe it was combatting the same kind of issues though.
Things happening does not mean it a social norm. It was never acceptable to take underskirt pictures in Japan. They also did not put the onus on women to wear special camera-disabling underwear.
Likewise, it's not acceptable to shove a camera to everyone's face, and it shouldn't be on people to opt-out of it.
It's good to a first-order approximation. Haven't seen many cases where it fails. You do get right-wing parties pretending to be left-wing (never the reverse) though, like the German one that called itself "worker's socialist"
Not sure why you think social norms are positive. Negative amoral behaviors can become norms. I'd argue the west has tons of amoral behavior that is normalized.