To be clear: Is your assertion that, because these outcomes aren't a deliberate conspiracy, we have to let them happen because of... what, exactly? Whether it's an emergent feature of this style of consulting or a firm consisting of the worst human beings is besides the point.

Elite management consulting firms (McKinsey, Deloitte, Bain, etc) exist to enable the worst impulses of leadership across the spectrum. The ends certainly justify scrutinizing the means.