As it happens, I was just reading http://www.macroresilience.com/2012/02/21/the-control-revolution-and-its-discontents-the-uncanny-valley http://www.macroresili

As it happens, I was just reading http://www.macroresilience.com/2012/02/21/the-control-revolution-and-its-discontents-the-uncanny-valley http://www.macroresilience.com/2012/02/21/the-control-revolu... today, the high point of which is describing "defense in depth" as a fallacy because of its tendency to increase fragility in complex systems in the long term.