fokker1000
If you ever need (or want!) Balpa help I'm certain you would not want the justification debated on the pages of PPrune (or anywhere else).
Everyone pays fees, and each case is taken on individual merits and chances of success (ie. you don't fight a lost cause because that IS a waste of members' money).
Under UK employment Law this pilot had a case and has won. The professional association supported her throughout all of that. Just what she paid her fees for.