Which implys that you know much more. This seems like a fairly well reasoned and reasearced piece. Anybody able to reason can see numerous problems with the current rush to burn food.
Your assertion would have more credibility if you gave at least one example of his apparent lack of knowledge on the subject. While your at it, can you tell us your personal interest, if any, in bio-fuels?
He just stitched together a bunch of prefabricated arguments.