The (always ignored) corollary of all this, is that fat people with stable weight have appropriate diets. People get fat by over indulging for short periods of

The (always ignored) corollary of all this, is that fat people with stable weight have appropriate diets. People get fat by over indulging for short periods of time and then pay the price for very long time, even after correcting their behavior. To actually have a calorie deficit for long periods is a considerable effort that most people cannot sustain.