Terry et al,
A provocative question. I would suggest a resounding NO. I think we are just beginning to scratch the surface of possibilities in visual approaches. The work of Bob Horn just mentioned is an example of this. I think we are at a very early but highly productive stage in this kind of work. Look at argumentation mapping as another example. Or the growing uses of MRI.
BTW, in talking about complex systems, stakeholders, relationships, feedback loops and multidimensional problems you are using some of the prime metaphors of our time.
David
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