All information without the right perspective can cause psychological disorders. Information without the right perspective is pretty much the definition of a psychological disorder, however, information does not in itself cause disorders.
I absolutely agree with that voodoo scientist. When some pieces of the puzzle are "hidden" or "out of sight" that can make a person suspect thoughts of delusion as other pieces of a puzzle are remembered. The facts can then be doubted or just forgotten. This is why we have FOIA laws.