The actual title is “How Complex Systems Fail” (full url: how.complexsystems.fail) which provides a slightly different meaning. The current title “Complex Systems Fail” implies that we should not have complex systems but that’s does not appear to be the intention of the article. Rather we often require complex systems to solve complex problems and the article provides an exposition on failure in such systems:

> (Being a Short Treatise on the Nature of Failure; How Failure is Evaluated; How Failure is Attributed to Proximate Cause; and the Resulting New Understanding of Patient Safety)