Don't know much about this mess, but it seems likely the FE's have a bit more leverage than some may think.
Simply put, I can't forsee BA allowing their flagship...the pride of British Aviation...fizzle out with an ignominious fart of petty squabbling, instead of the blaze of glory they no doubt have planned for it.
That would only serve to remind the whole world that BA is still one of the 'sick old men' of european airlines.