Final answer:
It is generally recommended to avoid challenging customers' complaints and instead take a "let's fix this" attitude in customer service.
Step-by-step explanation:
In customer service, it is generally recommended to avoid challenging customers' complaints and instead take a "let's fix this" attitude. By empathizing with the customer and focusing on finding a solution, you can maintain a positive and helpful approach that is more likely to lead to customer satisfaction. In the given example, the lunch-hour manager listened to the customers' feedback about a confusing line-up system and took action by implementing floor markings, resulting in improved efficiency and customer service.