"destroy the reason for handing so much regional flying to CX in the first place!"
Would TR or anyone care to remind of what that reason was? Do you feel that CX has actually delivered on its promises TR? I would suggest that the incompetence of CX management has done the most damage to the business.
As for the fair and equitable pay deal may I suggest another approach. We appear to have two sets of flight crew performing the same tasks for vastly different pay and allowances yet both are ultimately employed by BA. In my opinion you are being discriminated against by your employer.
Why don't you approach BALPA and ask the union to provide legal resources in order to obtain an opinion on this? If there is a view that according to employment law you are being discriminated against then you could obtain compensation through legal action. Even the threat of it might change attitudes.
BA has a duty to act within the law and employment law has changed a great deal over recent years. Regardless of whether TDLF or any of the managers claim it is BALPA's fault they are still liable as employers.
It is ironic however that the union does seem to have made matters worse by allowing a system of pay and rewards to be introduced that set one group of members against another.
Anyway it is worth a go and it will not cost you anything so get on to the CC and ask them to obtain an opinion from an expert asap.
Regards BP