1. gender/preferences of participants has nothing to do with it. Unprofessional and wrong regardless
2. 2A Pax is likely to be an off duty CC or "friend" on a freebe. Believe me I have sat next to many of them in Club.
3. Indicative of the attitude many CC have toward BA, which is that it should be their private play thing, allowing them to travel the world in style and indulge their lifestyle.