As I watched this movie, one thought kept occurring to me: This is what A.I. might have looked like had Stanley Kubrick directed it himself. Despite my feelings toward both Kubrick and to Spielberg's flawed version of A.I., I knew this thought wasn't a bad thing, or at least I wasn't associating it with a criticism of Ex Machina. And it certainly wasn't a knock against Alex Garland, who makes his directorial debut here. No, in fact, it was quite the opposite. This is a film that deals with artificial intelligence in a realistic and frank manner that is rarely…