One of the leaders is the "Health At Every Size" movement is Paul Campos, a professor at the University of Colorado. He writes about our society's fear and hatred of fat or overweight people. In this article he writes about MeMe Roth, the President of National Action Against Obesity. It seems that many of Ms. Roth's behaviors about her own health and her body are indicative of anorexia nervosa. She gets herself a lot of publicity, especially about how lazy, thoughtles, and basically stupid fat people are, and that they SHOULD be able to do something about their "problem". As professionals in this field, we know that much of body shape and size is dictated by genetics, and that HEALTH is really what's important, not body size.
Check out this article: http://www.thedailybeast.com/blogs-and-stories/2010-02-17/leave-fat-people-alone/?cid=bs:archive8