Alison letting Aynesley die was a jump the shark moment sadly, it makes
her almost nonredeemable as a character. She's paranoid, not cruel and sadistic. And that whole sink incident went too far as a silly contrivance.

Everything about Palin in the book came from unnamed sources, who we now know were campaign managers Steve Schmidt and Nicole Wallace (who get very sympathetic portrayals in the movie of course). They needed someone to blame for the trainwreck of a campaign they ran if they ever wanted to find work again (now of…