Agree with the last line 100% - although the same argument can just as easily be applied to any and all systems in any and all arenas. The fact that the potenti

Agree with the last line 100% - although the same argument can just as easily be applied to any and all systems in any and all arenas. The fact that the potential exists leaves a margin for error, and a window for trouble, which is what the post is about. If the potential for failure in a system is there, it needs to be addressed and the effects nullified or mitigated.