Final answer:
The ultimate defect is not when the guest leaves the restaurant unhappy.
Step-by-step explanation:
False: The ultimate defect is not when the guest leaves the restaurant unhappy. While guest satisfaction is crucial for a restaurant's success, it is not the only determinant of a defect. There are various factors that can contribute to a defect in a restaurant, such as poor food quality, unsanitary conditions, slow service, rude staff, and more.
It is important to consider that one unhappy guest does not define the ultimate defect. It could be an isolated incident, and it does not necessarily reflect the overall quality of the restaurant.
Example: Imagine a guest who had a great experience at a restaurant on multiple occasions but had one unpleasant visit. It would be unfair to label the restaurant as defective based solely on that single experience.