I think you miss the point Ottergirl. Fundamentally!
The "You Earn/I earn" angle is not the issue.
BA Cabin Crew are NOT being asked for any pay cut.
What you earn is in the public domain and some are saying it is inflated - It is important to appreciate this fact in order to ask oneself the following question.
If Cabin Crew are NOT being asked to give up some of their arguably inflated pay, WTF are they striking for?