Poe's Law comes to mind.
"Poe's Law"?
never heard of it.
wait...
google.......
wikipedia.......
ah!
"Without the use of a winking smiley or other blatant display of humor, it is impossible to make a parody of Fundamentalism that someone won't mistake for the real thing."
yes... this dictum seems beyond contestation.
I read the reviews of Hovinds "Blue series"
http://pooflingers.blogspot.com/2005/08/hovind-files-lying-for-jesus.html
Unfortunately, Poe's Law would target anyone who fell for it. (He even did the arthritic Neanderthal bit.)