It’s not what your story SAYS. It’s what it DOES to the reader.
Even literary writers are in the business of customer service. The best ones know that.
You may not think, as a writer, that you’re in the business of customer service. You may say, as I have, “I’m a writer. I don’t shill a product.”
But each story is a product. And each story has to think of how it’s pleasing its customer.