See, I don't really get this criticism. Granted, there are no tearjerker moments, but I thought the movie was pure emotion from beginning to end. Much of the emotion was conveyed in an unorthodox way, but it was certainly prevalent nonetheless.

(Spoilers)
You didn't feel emotional resonance when she was flung out perpetually spinning into space? You didn't feel emotion in the sheer vastness that is deep space? No emotion when she is finally able to get to the ISS and strip off her suit? What about her desperate attempt at human contact in the Russian satellite?

Co-sign the Clooney shit though. The only low points of the film are the scenes he's in.