Juan,
The problem is that BASSA are still living in to Colin Marshall era along with a minority of their members. Whilst the world has moved on drastically from that period BASSA appear to have decided that was their 'golden years' and that is where they are going to stay.
Back then many, many people expressed concern at Colin Marshalls approach to IFcE and many predicted that artificially inflating the value of the department above all others would come back to bite in the future. How correct they were. Still we see some of the 'quotes' coming from that time on this board today.
If someone from the pro BASSA argument could just elaborate, succinctly, truthfully and without rhetoric as to why BASSA believe that they are the only workforce within BA who should stay on broadly similar terms and conditions to those from the late 80's, who should not accept changes to their pay structure and should not accept changes to their rostering and allowances, who should not accept that the economic environment the business operates in has changed when all others in the company have done so?