We used to get on planes, and they'd ask who we were, and we'd say, 'The Dave Brubeck Quartet', and they'd say, 'Who?' In later years they'd say, 'Oh', which amounts to the same thing.
Quite a few people have to believe something is normal before it becomes normal - a sort of 'voting' situation. But once the threshold is reached, then everyone demands to do whatever it is.