Resistant............................

     Messiness is often taken as a sign of weakness.  In a person it's regarded as a character flaw.  And most companies would be quick to assume that the less tightly organized a competitor is, the more vulnerable it is.  But in fact, disorder can confer certain kinds of strength - ... Because mess tends to loosely weave together disparate elements, messy systems are more resistant to destruction, failure, and imitation.  Neat systems tend to have more sharply defined strong and weak points, and thus are often brittle, easily foiled or disrupted, and easily copied.

-Eric Abrahamson and David Freedman,  A Perfect Mess:  The Hidden Benefits Of Disorder