Ah, that explains it. My friends who bothered watching remarked that there seemed an extraordinarily high percentage of loons asking questions in the forum that followed the ABC's broadcast of
The Global Warming Swindle. According to
Crikey!, at least fifteen members of the audience were from the Citizen's Electoral Council, a local branch of the LaRouchies.
Crikey! has the video up for those who want to share the fun.