That would be a merger and airline mergers are messy! Ask any senior Canadian, Australian or Swiss and they will tell you stories.
But it would be good news for the competition, as the rivalry between the locals with their hyperbolically inflated egos will make them eat each other alive.
To mitigate the bloodshed they will have to install double post-holders for every administrative position above loo-cleaner. One for ex-EY, one for ex-EK and logically enough five secretaries each.
But the most critical question will be which Costa will be the future center of hide and seek.
It will be the best new sitcom for the next few seasons.