So there is no value in what he has to say?
NO. Apart from questionable assertions about butter and fat, the food Nazi attitude he sports is most disagreeable.
People with a penchant for directing others lives and behavior, while professing to have all the facts (Weil, Al Gore...) are a far bigger threat to a long, fulfilling life for all of us than Deen is. He should be mocked and shunned by polite society.