Nothing wrong with cake.  You just can't eat an entire one every day.    Obesity is like gun control: the root problem is NOT the food or the guns.  It's the people who do stupid shit with them.  Now the best solution may be to ban certain foods or guns because too many people are fucking stupid or mentally unstable, but that doesn't mean that the fattening food/firearms themselves are a problem, only that they allow bad people to do bad things.  The problem is, and always will be, bad people doing bad things.  Fatties will find a way to fat just like violent people will find a way to be violent.  The damage caused may be less if the tools are inferior, but there will always be some damage.