This is no more true than in the main line Protestant church. Bishops and their Superintendents have been oligarchs since the beginning. In recent decades they have been swallowed whole by demonic influences, most especially abortion, homosexuality and all the manifestations of liberalism. They have become Marxist to their core and are no longer in any way Christian.
And some of the bishopric of the catholic religion exhibit this DN characteristic also. And lest folks miss the obvious, there is a Pope now exhibiting these traits ...