"We did a review of our policies related to how we review those sites, those journals, and came up with the fact that we actually did have a number of journals up that we didn't think met our policies and didn't think they were appropriate to have up," Barak Berkowitz, chairman and chief executive of Six Apart, said in a telephone interview.

I don't think they separate reality from fiction, and therefore it doesn't matter if it's fictional characters. And the questions is where it's going next.

So yes, they can delete all communitites that deal with ficion regarding illegal activitites. Such as incest.