due to the inverted class interests (or, in this case, prejudices) of those who come to inhabit it - at least without recourse to Marx which is necessarily even more abstruse.

You can point to the outcomes I suppose - It's the same process that made a Labour Party that wins Putney but loses mining towns or turned St. Ives into a fishing town in which any rough arsed fisherman would be immediately shunned - but sooner or later someone'll say "yeah, but" and you end up rolling out the jargon anyway.