Secret Men's Business is global: https://en.wikipedia.org/wiki/Weld_Club

They have such clubs in your part of the world no doubt? (Netherlands, IIRC?)

The fostering of circles of trust, backed up with Kompromat, to strengthen elite solidarity, ease insider trading, treat handshakes as binding, and cover up the odd "unfortunate incident" is seemingly as old as time.

#PigGate: https://en.wikipedia.org/wiki/Piggate is loosely related.