We can start by understanding that there is no one-size-fits-all solution.
Individuals tasked with delivering customer service must be trained, educated. led and Coached to understand how their attitudes and behaviors impact service delivery.
The desired level of service must be both experienced and modeled for the individual delivering it.
You can’t deliver a level of service you yourself have never experienced. Which also means you cannot train it, lead it, Coach it etc…
Poor service delivery is a choice.