Dr Alf is right, ‘BA’ as it likes to call itself is going downhill and has never been “The World’s favorite airline”.
It is symptomatic of a business which employs flight attendants who imagine that they are beautiful and a management that believes in its own rhetoric.
I cannot understand from a practical point of view, with chemical toilets, why this problem could not have been dealt with swiftly and efficiently.
The fact that it wasn’t is symptomatic of the British disease of failing to take decisive action whilst contemplating one’s navel for too long.
The bigger issue of airport capacity and customer service, similarly gets lost in redundant arguments while other countries build airports and ensure that their planes go from ‘A’ to ‘B’ without this sort of trouble, which to be frank would not be acceptable from a 3rd world country, let alone one like ours, seeking investment and talking ourselves up.