Hah, that was the kind of thing that almost traumatized me to the point of not joining fandom. It was on one of the tvtropes pages, right when I was kind of in the 'horrified fascination' stage. But I kept on reading the articles, which meant tht by the time I came across the pages that referred to the less squicky sides of fandoms, I was able to justify taking peeks at fanfic (etc) on the grounds that it was practically normal in comparison.