User blog comment:E-113:Xi/It's Time I Take My Leave/@comment-2221250-20120814182848/@comment-1272757-20120815082613

It's mainly because of who made them and why, and most of the case it is, in order:
 * 1) Upset/butthurt Users
 * 2) To try and outdo SFW or get away from its policies, without thinking of the responsibilities involved in maintaining a quality wiki, something that the original SFW itself has trouble mastering.