The wider world of the internet is filled with stories of ill-mannered customers, making life unnecessarily difficult for the humble working-class customer service rep who had the misfortune of serving them. Still, it's important for us to take a step back and realize that, while it may be nice to root for the everyman, we can't blindly assume that the workers themselves are infallible. There are entitled people on all sides and from all walks of life—and there are certainly plenty of people wo…