People are embedded in these institutions, they are blinkered in these ways that means they're making decisions outside the bounds of democratic accountability. Which can lead to corruption like, moral transgression but also, at the least, incompetence, because they're literally not seeing the whole problem.
... it's not the case, that they're the smartest people. The selection method says that it's doing that, but the hydraulics of privilege mean that actually we're creating an enclosed world of inbred elites, despite all our claims about the equality of opportunity and people of all races, creeds, backgrounds
via How Inbred Elites Are Tearing America Apart | Alternet.