About McDonald's we might have once said, we should adopt a philosophy of eating fast food rarely, and focus our diets mostly on balanced, healthy, real food.

About McDonald's we might have once said, we should adopt a philosophy of eating fast food rarely, and focus our diets mostly on balanced, healthy, real food. And then ultra-processed food became our diets. It's not hard to predict whether we at the society level will use the new shortcut machine sparingly or indiscriminately.