Ha - I was literally about to make the same post as you. With the same title.
Not only are they withholding Wontons but they seem to have figured the best way to control costs from their BA contract is to "forget" to put out more champagne (well Domaine Carneros) and hide the glassware.
Seems like they are missing a trick to win over a bunch of BA travellers to the amazing Cathay hospitality!