I'd like to add another string to your snobs' bow : poetry fans.
Jeeeezus .. have you even been to an open mic night when a poet stands up ?
It's excrutiating.
But they have specialist poetry evenings.
Can you imagine all that wankery in one place ??
Slightly different tack, but relevant : my sister is head of arts at a big posh school in Johannesburg.
She puts on at least three productions every year and loves musicals, is a trained dance teacher, etc ..
I went to the Edinburgh Festival with her this summer and it was (inwardly) highly amusing sitting next to her during some of the shows up there.
Thankfully, she balanced her craving for serious drama with mine for free comedy in cheap boozers