But what is considered a fact? Richard Feynman only considered a thing a fact if he'd replicated the results himself. Everything else he took on faith. When th

But what is considered a fact? Richard Feynman only considered a thing a fact if he'd replicated the results himself. Everything else he took on faith. When the FDA said you should limit fat intake, that was considered a fact and only nuts would disagree, but that is now considered a much trickier statement. When the FDA says the flu vaccine is safe, that is a fact and only nuts would disagree, but that is not considered a questionable statement. But it isn't hard for a nut to use the first to confuse the latter.