Yet Another Film The Truthers Think Is About Them
Close Encounters of the Truther Kind:
Richard Dreyfus' character in Close Encounters of the 3rd Kind, Roy Neary, struggles with an obsession to recreate a mountainous shape out of anything malleable he touches. During the movie he regularly interrupts some normal, everyday event by suddenly falling into an artistic obsession to represent a vision apparently burned into his brain. His struggle to bring meaning to his vision doesn't end until he completes a perfect model of the Devil's Tower in Wyoming, recognizes it for what it is, and then succeeds in reaching the tower in spite of cordons of troops and helicopters.
The real life version of that Close Encounters' moment, that instant when there is a perfect vision of what happened, is nearly here for 9/11.
There is something in the nature of fiction that requires that the obsessive and paranoid individual is always proven right in the end. I suppose it is simply that if the Richard Dreyfuss character was wrong, the whole subplot with him constructing representations of the Devil's Tower would simply be a red herring; an irrelevant bit that simply leads us astray.
Indeed, the only counter-example I can think of for this is A Beautiful Mind. There we learn eventually that Nash's zany conspiracy theorizing is simply a reflection of mental illness. And of course, that was based on a true story.