Poor customer services

On Saturday, my uncle went to buy a case of the castle and was turned away by a man who works was standing at the door. He told my uncle that he must not bring dusty bottles they must be washed with soap and 100% clean. I then went to hear what the problem and I were told the same he refused to take them telling us SAB has told them they don't want dirty bottles. I am still disgusted that is not customer service. This happened at 14 Gold street Carletonville.