I wonder if Nicholas was acting in the same spirit as King Canute and likewise has been subsequently misinterpreted. (I've seen the Canute story mentioned as an example of being power-mad.) Nicholas's intention could have been something like 'Gentlemen, you were chosen for your competence in engineering and expertise in dealing with such details; I have made my general wish known to you; kindly implement it and do not bother me with what is your job.'