This is accomodating reality, not the cause. Nobody wants to be fat, but if the urban form means that most people living in your city are sedentary sitting in

This is accomodating reality, not the cause. Nobody wants to be fat, but if the urban form means that most people living in your city are sedentary sitting in cars for a large portion of their day, being fat is an inevitable consequence of it. Fat-acceptance policies naturally fall out of that.