Did your QA experience differ significantly from your experience on the other ships?
What were the other 2,500+ passengers like?
It is obviously just a matter of luck, and I know it happens from time to time, but to my amazement, considering how much time people seem to spend drinking, I’ve never encountered anyone actually drink.
To answer your initial question, Cunard, at present, seems to be for me, but I’m probably not very discerning.