Sophisticated? No. But a parody franchise tackling every horror movie under the sun shouldn't be. Even in the wonderful world of satire, few franchises have a weirder history than “Scary Movie.” What began in 2000 as director Keenen Ivory Wayans’ gleefully vulgar response to the post-“Scream” slasher boom has somehow survived numerous existential shakeups, including a very public creative divorce, changing tastes among so-called “mainstream” (read: whiter) audiences, and the near-total collapse