Architects have it easy. They can just look at outstanding buildings or cities to get ideas of how to design new ones. Also, architects frequently expound in conferences and publications the rationales of their designs.
It is not so easy for online course designers, because we lack a catalog of outstanding open course designs in several areas; and even if we can find one such course, the "why's" of the decisions taken by the designers are not usually included as part of the course. (...)