Yes, because $100 million films have always hedged their bets on Oscar nominations. And not, y'know, making money. We're not talking about A Serious Man.
Genre stuff was set last October. It would have had to go against Zombieland, Paranormal Activity, Saw, etc.
That demographic was a lot more liable to see an unknown flick like Shutter Island in February, when NOTHING was out, versus October.