Considering that these men are supposeed to be business men, and between the ages of 35 - 50, i think they are the ones who should have known how to behave respectfully on board an aircraft. The girl was only doing her job, whilst young, and a group of men singing can be very intimidating, she used her powers to the full. The men were in the wrong not her. To follow on during the flight delkiberatley trying to annoy the cabin crew, well that just shows the level of maturity of the men