"What Ming Rider experienced is really quite unpleasant - as his reaction testifies - but none of us are in a position to make moral (or pseudo-medical) judgments about the person who inflicted it on him. We have no idea what provoked her reaction."
Suffice it to say, based on the circumstances and her reactions by calling him a "pervert" it's pretty logical to assume it was fear-based misconception that could have been disarmed by talking to her first before photographing her kids. One really doesn't need to go beyond that analysis to reach the conclusion I did. In other words, it's common sense.