Hey, this could be a boat (or is it a ship) full of lesbians who feel threatened by the mere presence of a gentleman? Maybe they only have dungarees to wear and microbiotic macrame and yoghurt to eat? A gentleman just couldn't survive! Or maybe it's for Health and Safety reasons. I've heard that these helicopter things vibrate rather a lot and a gentlemen might find the sensation very fatiguing and unpleasant where as...