It may perhaps be regarded as a figure of speech, to indicate how few are really admitted to the most exclusive circles.

Moreover, there can be no dominant 'leader of society' here, for the reason that not all grades of society would recognize the supremacy of any one set, or clique.

These cliques exist for various reasons.

They fraternize generally, but keep well within their own circles.

Kindred tastes attract some; ancient lineage others.