Hah. Some poor grandmother who sends photos of her cacti collection might be getting a ton of dick pics.

joking aside, while i agree with your model, i'd be curious to see cases where users get trapped in these auto-identified sub-worlds of obscenity. I imagine as we get better at content recognition this model will become more prevalent, and thus innocent crossfire will be more commonplace (even if to the tiniest degree).

Interesting times we're heading into