Originally Posted by
London_traveller
This is interesting. Reason I say that is because in WTP, passengers get a CW main course. Therefore, in this particular circumstance - a WTP to CW upgrade - I don't understand why meal choice plays a part as the passenger can still get their special meal in the higher cabin?
Because they will have already docked the WTP meal loading by one normal meal, upgraded someone else from WT, who then gets pasta. End of civilisation as we know it.