I didn't read that it was suggesting these things are wrong, but that the police (who I would and it seems here that they are) are educated on the topic, and can provide advice and materials to potentially prevent wrongdoing here.
This is a poster that will scare the technically illiterate into taking computer access away from their kids.
Pardon but you'll need to come with us. We need to make sure you aren't publishing the _wrong_ sorts of things. Don't worry, I'm sure this will get sorted out just fine.
Except in police states.