The problem with documentaries (as I learned in a grad school course on documentaries) is that there is not a single truly objective documentary film out there. Some are more objective than others. But none are 100% objective. Not even Ken Burns if you can believe that. And if there was ever a documentarian that appeared objective on first viewing, it's Burns.

Then there are those that just completely push the envelope like Moore. Or should I say "tears right through the envelope leaving it behind in his dust." At least he brings greater exposure to the genre. That's what I say about it.