If you read the article its actually a bit of both clothing manufacturers and increasing waistlines. Clothing sizes increased about 2.5" while waist sizes increased by 4". Its an issue of the clothing manipulating sizes to sell more clothing and the effects of modern processed foods and diets coming together. Clothing gets harder to sell as the size increases so they bump up the sizes to try to keep up with increasing wasitlines without shifting their sale strategy status quo too much.
If you read the article its actually a bit of both clothing manufacturers and increasing waistlines. Clothing sizes increased about 2.5" while waist sizes increased by 4". Its an issue of the clothing manipulating sizes to sell more clothing and the effects of modern processed foods and diets coming together. Clothing gets harder to sell as the size increases so they bump up the sizes to try to keep up with increasing wasitlines without shifting their sale strategy status quo too much.