Saw an article last week that argued shaming deniers is the only way to achieve progress. The argument was likely that they can't be reasoned out of their positions. Not sure if I agree with that, but I will see if I can find it . . .
Should Anti-Vaxers Be Shamed or Persuaded?
http://www.theatlantic.com/politics/...suaded/385109/
The Anti-Vaccine Movement Should Be Ridiculed, Because Shame Works
http://gizmodo.com/the-anti-vaccine-...use-1683258152
Anti-Vaxxers Immune To Debate, Shaming
http://sandiegofreepress.org/2015/02...ebate-shaming/