"Spurred by reports that anti-car activists are avid followers of Pol Pot and that mass transit is a Nazi extermination camp plot, the Sandwichman has been inspired to examine the proposition: did bicycle fanatics crucify Jesus Christ?"
But I find sarcasm carries rather poorly over the internet, though that was before I saw this witty parody of environmental activism:
http://www.worklessparty.org/index.php?option=com_content&task=view&id=24&Itemid=54