Isn't the shutter sound, even where required by law, kind of pointless because unsavory users could just take a video instead of taking a picture? That's probably what perverts prefer anyway.
A quality-minded pervert would probably just buy a $150 digital point-n-shoot. Just as many megapixels, no shutter sound, and much better optical components.
A technical pervert would take a HD video with their phone and then use multiple frames to mathematically extract even higher-resolution stills from it:
