Here's an interesting Article
So, whats basically happened is the producer of Assassin's Creed cried because someone drew a porno comic of her which btw now about 10 million other people are downloading/searching for the comic and make Jade Raymond (producer of Assassin's Creed) famous. Therefore what happened the game is ranked average, Ubi-soft now has an alternate route to promote their game by using their young hot producer as leverage to sell their game.