Source: Hewlett-Packard (HP)
Confronted with the complexity of services systems, providers capitulate to the build and hope approach, so dominant in software engineering - rather than the design, analyze, build and improve methods of mature, science backed, and engineering disciplines. Providers simply assume that such systems cannot be predicted, understood or forecasted! Given the increasing dependence on advanced economies on such complex services the authors need methods of analysis and comprehension so that all of the stakeholders can understand them. Accepting that this cannot take place in a context of a 'Professional Modeler' approach, this leads to only the modeler owning the understanding.