Why not theorectically compare to Openskies. The stance there was BA changing Pilots terms and conditions via the backdoor, a Trojan horse.
New fleet is cabin crew's Openskies, albeit using a battering ram to come directly through the front door.
What Walsh negotiated and accepted two years ago with BASSA, he has now had a change of heart. I've been reminded, several times, on here that agreements are not set in stone and are open to change. What is to stop Walsh, once the cabin of new fleet is cheap enough, deciding to reduce costs in the flight deck of new fleet. Nothing but an agreement which is not set in stone and open to change.
Whether this will happen or not is not my point. What I would like to know is how flight crew would respond, would it be any different to the feelings of cabin crew now. Try and understand where we are coming from.