What did they mean by the “commonsense” beliefs about memory? Why is commonsense in quotations in the Memory article?

In the old and new media article, it states that having sensory odors in your work can inject emotional tone without telling readers how to feel, but then there is a bullet point of write stories about memories of eating each food. If a writer was to write stories about memories of eating each food, wouldn’t he or she be technically telling the readers how to feel when eating those foods?