What makes customers unhappy?

What’s happened to having a pleasant, hassle free customer experience in this country? We are hearing more and more war stories from customers. Some go to buy something and are met with whinging, whiny staff or others return to a supplier (retailer or B2B) with a query, return, or problem to be resolved to be met by resistance, apathy, excuses, and, worst of all, customers being informed of their .....