In the grand scheme of things, the customer may have slightly more pull than the cashier ringing up their order, but it’s the CEO and the board of directors that control the narrative. That’s why we’re getting bigger and less fuel efficient vehicles, bigger and more fattening meal portions in restaurants, and bigger less affordable houses.
No it’s not. The original coined saying is, “The customer is always right.” “In matters of taste” was added much later to try to temper the idiocy, and has never really widely caught on.