[jtode]

The existing responses are already covering the up-front question quite well, and they're even pointing out that there is crossover to much more obviously questionable stuff in the distribution channels where you find them.

On a more basic level, I generally require a documentary to present coherent ideas in a coherent way, and call me an egotist if you must, but if I come away from a documentary feeling like I'm not understanding an idea, I chalk that up to a failure on the part of the documentarian to present correctly, rather than a failure on my part to understand.

A failure, or in many cases, an attempt to exploit personal insecurities as a memetic vector for bad social ideas. If you can be made to feel a strong sense of mental inadequacy before a very complex system that is show real problems in the world, you are just a step away from being convinced that even worse ideas than those currently in play are somehow the solution, or at least, that enacting those ideas is less worse for you. Video art in the hands of skilled manipulators can help make entire nations do horrific things.