Final answer:
The top complaints in the restaurant and food service industry include poor customer service, food-related illnesses, the societal impact of fast food, and concerns over portion sizes and nutritional value. Efficient service and proper food handling are key to addressing these issues.
Step-by-step explanation:
The top complaint by guests in the restaurant and food service industry is poor customer service, including long wait times, inattentive staff, and issues with the quality of food served. A particular food item can indeed be associated with the occurrence of disease if it is contaminated with pathogens such as Norovirus, Salmonella, Clostridium perfringens, Campylobacter, or Staphylococcus aureus.
Campus restaurants may have limited seating, which can impact students' ability to eat and study in the establishment, and they may feel pressed for time. Efficient service, like the solution implemented at Gavi's Fast Food Restaurant, can alleviate some of these concerns. Additionally, the size of portions and the nutritional value of the meals provided are common points of contention for customers who expect both quantity and quality.