Well if you check the conspiracy thread, people get the whole "they are out to get us" idea in their head and there is no changing their mind.
It's funny (and sad) that so many people (conspiracy theorists, radical lefties, religious nuts) will completely reject stuff that comes from doctors and scientists. I love it when people malign these groups with the old "what the hell do doctors know?" or "scientists don't know anything."
Really? These people sacrificed countless hours of sleep and forked over tons of money and studied their asses off and they know less than some jerk off with a website or a religious text? Give me a fucking break...