A decision in BA's favour would have ramifications for every single employee of this country, not just airline employees. I, for one, would support my union offering financial support to BALPA to fight this.
As a passenger, I am completely astounded by BA's actions, and for the moment am avoiding them like the plague.
Until they get their act together, and start behaving in a professional manner, and treating their customers with something approaching the respect we deserve, they will get no further business from my household.