I saw the show, I didn't feel like Dr. Phil was endorsing the diet more like he just had the guy on the show to fill air time. And probably was being paid to add the diet book to his show link, who knows Dr. Phil didn't really seem that into the diet or the man who was talking about it. More less seems like the people behind the scenes with Dr. Phil who help get guess, helped bring this guy on bad ideal. Any diet bad or good will work when there is a reduction in calories in fat, doesn't mean it's a good plan if your not eating healthy.
But the way the diet book guy talks, it sounds like he has a potential healthy plan which is not that much different from many others. The only thing that seems odd to me is from what I read online it's about eating certain foods at certain times, food shifting/rotating which I don't think is necessary for weight loss. All and all he's not introducing any new or exciting that's going to help us on the way to weight loss and that was the reason for him seeming so secretive. Even when I went to his website it seemed so blah, probably jus like his book.
Stick with sparkpeople it's tried and true to health and weight loss.