That video was a hoot. I laughed especially hard when he (I assume it was a he) wrote "and your children will end up like this". 6 ponies, 6 elements, 6 colours. I'm sorry, but 6+6+6=18.
By the way, there's a funny fundie on page 9 of the Guy plans to marry Twilight Sparkle post: http://mlpforums.com/topic/56706-guy-plans-to-marry-twilight-sparkle/page-9.