Just because someone sits in his office and draws out every detail of a hole to the 'n'th degree does not not make him an artist - it takes a lot of skill to visualise a hole and get it down on paper for a contractor to build it.
Jim Engh has the reputation for never changing his plans in the field. In many ways, this can taken as a huge positive: Firstly that he must have a good eye. Secondly that it provides a good deal of cost certainty.
But it probably also accounts for the comments that his landforms don't always blend in naturally.