On the cabin crew forum one comment was about volunteer cabin crew...
...Willie Walsh can't make these union oriented individuals volunteer. They have decided to do it themselves...
That may not be totally true. When I was at BA, in the department that I was in the managers were told that they would "volunteer" (not for cabin crew) . In my book that is bullying, and one of the reasons I left.
Also that around 4-5 years ago I was at a social gathering including someone from investor relations. All I can say now is that it looks like the plan is coming together.