The authors could do a better job of 1) motivating the need for this new approach to instructional material design and maintenance and 2) addressing criticisms that more conventional practitioners might have. These concerns could include reservations about the accuracy of open lessons, the coherency of modules made by contributors that likely span a range of experience in a given discipline, the reluctance of academic administrators to have their students taught with course materials developed by third parties, etc.
The authors could do a better job of 1) motivating the need for this new approach to instructional material design and maintenance and 2) addressing criticisms that more conventional practitioners might have. These concerns could include reservations about the accuracy of open lessons, the coherency of modules made by contributors that likely span a range of experience in a given discipline, the reluctance of academic administrators to have their students taught with course materials developed by third parties, etc.