Idk man, I have some obese relatives and they eat so much at a single meal that it makes me nauseous just observing it. They may have fat pushing against their stomachs, but I'm pretty sure their stomachs are stretched out to the max.

That just illustrates the difference that is an all you can eat business and a single event contest

Restaurants need repeat customers. Ignoring exclusions for special considerations or circumstances, if you are fat, eating larger portions of food than you need to when you eat is likely why you are fat.

Calories in calories out

Most people arent active enough to not get fat while eating large portions of food

Cool article, thanks for the link. I always wondered about that (as a skinny tall guy who can eat a lot in a single sitting).

I always thought height was also a factor because the stomach can stretch horizontally as well as vertically, but apparently not.