I worked in retail (restaurants & general merchandise) for 26 years. As a servant to the public (in any service position), you quickly realize that some people just WILL NOT be pleased, no matter how hard you try (unless you give them something for FREE). And many people are so miserable in their own meager existence, that they are not happy until they make everyone around them just as miserable as they are. Not bashing anyone at all! Just stating the FACTS.