Why do warmists run from debate?

Andrew Bolt, Herald Sun (Australia)
"The warmists’ strategy is two-fold: first, to deny there’s a debate by refusing to actually have one; and, second, to avoid subjecting their ludicrous claims to scrutiny by the informed. "

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Alan Jones tells carbon tax rally PM will go 'down the sewer'
"In Sydney there were banners saying "Ditch the witch" and others depicting Ms Gillard as the fairytale story character Pinocchio whose nose grew longer the more he lied. The crowd were angry about the Labor government's decision to raise the carbon tax in this term of government.They pilloried Ms Gillard for telling voters during the 2010 federal election there would be no carbon tax under her government."