[Hollywood] studios are handing out money to make independent films now, but they all want the same thing. They want the style and the deadpan delivery of RESERVOIR DOGS or FARGO and so they imitate those movies. They want PULP FICTION, but they get it all wrong! They get the detachment, but that's it. And then it's all about style, and in the end what do you learn about the characters? Nothing. You learn you wasted two hours.
Narrative, fiction filmmaking is the culmination of several art forms: theater, art history, architecture. Whereas doc filmmaking is more pure cinema, like cinema verité is film in its purest form. You're taking random images and creating meaning out of random images, telling a story, getting meaning, capturing something that's real, that's really happening, and render this celluloid sculpture of this real thing. That's what really separates the power of doc filmmaking from fiction.
'Knowing' is one of those movies where you're going to get the spectacle, and you're going to have the entertainment in the grand science fiction tradition. But also, it will perhaps stimulate some discussion to help you sort out on your own where you might choose to go in terms of your own needs. Now, I say that without preaching.