An employee notices a problem in the output but is afraid to contradict the system adopted by the management. I propose a signaling channel that protects professional confrontation.
In the example, the error is examined before spreading to the customer. The process must allow for documentation and correction, without treating any objection as resistance to innovation.
People's experience can make unanticipated limits visible. A responsible organization uses this information to improve the service, rather than hiding it behind the authority of the product.