Note that the "trivial", as used in this context, probably means something more like "we know the domain pretty well", versus "can be completed in 5 days". The

Note that the "trivial", as used in this context, probably means something more like "we know the domain pretty well", versus "can be completed in 5 days". There are still some ghosts, but I believe OPs point was that pales in comparison to the demons invoked when trying to "calcify the business process".