A working-class family watching Citizen Kane on a Sunday evening now strikes me as a relic of the 1960s/70s, though I wonder if it was common even then. My parents had been caught up in the WW2 and post-war embracement of the arts (you see it in all the 1940s films about classical music, etc.) and self-improvement generally - they met in a Workers Educational Association class. My father tried his hand at various creative art forms, having been denied more physical pursuits by losing his legs at 18 in the war. So - although beer did come before art - art was still extraordinarily important to them.
And, returning to topic, Kane was very much regarded as an "art movie". My mother told me word-of-mouth about it was terrible on its first (UK) run in 1942. This is confirmed by film historian Leslie Halliwell, an exact contemporary of hers who grew up in the same industrial Lancashire town:
Leslie Halliwell wrote:When Kane played Bolton, Kane lost. I turned up at the Lido at 4.15pm on the Tuesday, only to find that owing to poor business it had been taken off on the Monday, and replaced by a reissue of The Hunchback of Notre Dame.