A deeply unsettling film. It's brilliant and I hated watching it. Dogtooth works as a stark and inventive experiment in boredom and abuse, but you could also see it as providing commentary on the Greek family, or the Greek upper-middle class. If you've seen My Big Fat Greek wedding, the characters in this film might strike you as not very Greek, because they aren't raucous or generous and they don't have extended family. Greece is also overwhelmingly poor, unlike our…