The number of nested figures is traditionally not less than five, but can be more, up to several dozen with sufficiently fine nepotistic craftsmanship.
It is to prevent excessive concentration of power in an individual or the transmutation of a collective enterprise into a nepotistic family inheritance.
In particular, the outlawing of advertising for unpaid placements, which would clearly only return work experience to the domain of the well-connected and nepotistic.
They created segregated education systems, segregated communities and nepotistic networks that influenced everything from the judiciary to the army and film.