Indeed, as a biz traveller all I care about is reaching my destination.
Using a London airport means a replacement a/c can be supplied before I am even aware the first one has gone tech.
History corrections -
SARS and 9/11 had blown over by the time EUjet started.
H5N1 (avian flu) didn't acheive public noteriety until after their collapse.
Incidentally, flogging stuff at promotional prices does not constitute a "market test"