Lol you make it clearer and clearer the position you occupy with every response. Sorry if it's an alien concept to you for qualified people to get good jobs. I understand. What an absurd counter though, two customers arguing with each other? If there's two customers in a shop arguing with each other in matters relating to your shop, it means YOU have done something wrong. If you had gotten it right, there's no circumstance where two customers would ever come into conflict lol.