Former fatty here, might be able to provide some insight -- I'd say by current psychologists' standards I've got an eating disorder because I spend so much time thinking about food and occasionally overeat, but the difference between six-pack me and keg-belly-me is that I actually hold myself accountable for these thoughts/overeating rather than allowing myself to feel victimized/out of control/give in to my lack of willpower. TL;DR our society is raising a bunch of pussies with no willpower that will wield the victim position as soon as it's available.