It's entirely evident by lots of replies on this forum how those lies, half truths & junk science became 'common knowledge.' There are a couple of generations that were very brainwashed and get 'offended' when you point that fact out.
Definitely an uphill battle.
No man's opinions are better than his information.
fight fire with fire. You can't win a fight using sticks and stones if your enemy is using machine guns and tanks...this isn't Return of the Jedi.