Why did Alan Lang include conflicting point of views in The skinny on low fat diets?

Alan Lang included conflicting points of view in "The Skinny on Low-Fat Diets" to provide a balanced perspective on the complexities of dietary approaches. By presenting various arguments, he encourages readers to critically evaluate the evidence and make informed decisions regarding their nutritional choices. This approach also highlights the ongoing debates within the scientific community about the effectiveness and health implications of low-fat diets. Ultimately, it fosters a more nuanced understanding of dietary recommendations.