The perspective on the argument "people are defenseless against sugar" is that she believes that people are not helpless and can change their behavior as they learn more about the risks and dangers of soft drinks. Banning sugary drinks is the same as eliminating civil liberties.
Small towns contain a unique culture and people. The people of Nameless, while quite uneducated are very hospitable and friendly and anxious to share what they have with other people including selling a store if a buyer can be found.