The demonization of carbohydrates by society has caused a misconception about potatoes being empty calories and unhealthy. This belief stems from the fact that the foods rich in carbohydrates, like potatoes, bread, and rice, are affordable for poor people.
The construction of the obesity epidemic allows people to treat fat individuals poorly and promotes the idea that only those with disposable income can be thin and healthy.
The speaker discusses their frustration with the amount of anti-fatness and internalized anti-fatness in a certain book.