It's because the authors were finally tracked down by the law. If you do insist on writing fanfiction and posting it on the internet, play it safe. Instead of using your real identity, post under your dog's name. In the words of one writer, fanfictions are not made, they are committed. The same is, or should be, true of many fanfiction authors.
Good writing is made up primarily of letters, which include a through z.
Especially important are a, e, i, o, u, and sometimes y. Stories with lots of spelling errors are a pain to read. Ranma pirred sedductively as she lesuirely stroaked the boy's cheste. Ranma picked selectively as she elusively streaked the boy's chaste. Don't forget, its important too pay special attention to you're homonyms, as their awl to easy two get wrong.