It seems as though there's a wide gulf between those who understand what it's like to work in the service industry and those who don't.
Some people see nothing wrong with hurling abuse at the closest employee when things don't go their way, while others are clearly embarrassed by the fact that their loved one is treating someone who's just trying to do their job this way.
But even among the first group of customers, there are some who cross the line. And while some employees, unfortunately, have little choice but to stomach this extreme behavior, the full video shows us that it doesn't have to be that way.