A Different View of the Link between Obesity and Diabetes

We recently had a discussion here on the subject of obesity. I watched today a video at www.TED.com which left me baffled and also deeply moved. It suggests that there may be a different way of looking at the link between obesity and diabetes. I would love to hear your thoughts on it. Here is the link: http://www.ted.com/talks/peter_attia_what_if_we_re_wrong_about_diabetes....