“Small children small problems big children big problems”
Nonetheless given that the world is not simple and that we should perhaps not want it to be simple either, the best we can hope for is first for no one to accumulate so much power that the results of any inevitable misjudgment will bring the system done; and second that the resilience to human errors does not hide the human errors while they are still small. In other words exactly what the very unwise regulators did when they invested so much regulatory power in the three amigos, the credit rating agencies.