They will be using the AMS model where the base was closed and nobody batted an eyelid at having to move to London with a huge pay cut or disrupt your entire family and move ( quickly) to The other side of the world.
CX has tried to do basings on the cheap and it's turning into a nightmare (shame) for them. What will happen to the people based in Paris?? They will presumably have 2 months to move to the other side of the world. Quite reasonable don't you think. After all, we're all part of the Cathay 'family'.