This movie is the proof that the world is becoming a sick and dumb place

Lack of good storyline.

While it doesn't offer any answers, it both thrills and makes you think.

Just intense enough to provide a much-needed diversion, just lightweight enough to make you forget about it soon after it’s over. It’s not exactly “good,” per se, but it does what it sets out to do in terms of putting us on edge, which makes it … successful?