Your Source for 'Ff'lo

It is only at the very end of the article that they say that they think "a component" of obesity (do they mean only obesity from certain causes? and how would you clearly separate the causes when looking at even one "case"?) could fall under their criteria for mental disorder. And they nod slightly to acknowledge the huge can of worms that they'd be exploding into society (to use an odd metaphor, I know):

"We have an opportunity in DSM-V to recognize a component of obesity as a mental disorder. Because of the complex ideologies of obesity it will be important to consider guidelines of which of these deserve to be classified as a mental disorder and which do not. This would facilitate the treatment of obesity not just as a metabolic disorder but also, when appropriate, as a mental disorder."

I sure wouldn't want to be part of the group tasked with "consider[ing] guidelines of which of these deserve to be classified as a mental disorder and which do not...."

The upshot, though, is that even if, say, the psychologists classified a small percentage of obesity as being DSM-able, it would have a huge effect culturally, and negative effects on those I care about.