In a business setting, even if your product didn't solve the customer's problem and it's because they're misunderstanding, it may still be valuable information.

In a business setting, even if your product didn't solve the customer's problem and it's because they're misunderstanding, it may still be valuable information. Maybe lots of other potential customers are in the same boat and a changing your product could handle their use case. Arguing with people is unproductive that business setting because it doesn't do anything for the bottom line. Obtaining information possibly can do something for the bottom line.