To me this sounds like much of the pedagogy I grew up with in the late 80's, which emphasized production values over clear presentation, or assumed that product

To me this sounds like much of the pedagogy I grew up with in the late 80's, which emphasized production values over clear presentation, or assumed that production values were an indicator of quality of presentation. The underlying assumption then was that "modern students" needed to be "entertained" or somehow spoken to "in their own language" whatever that is. Your points, especially "high quality audio/visual production tools are a must", echoes that sentiment to me. All in all that seems to me more disrespectful to students than letting the subject matter speak for itself, and assuming that young students are as capable as we are of seeing the magic in geometry, or calculus, if it is correctly and clearly explained. Edited: Also, producing 1600 videos puts him rather apart from others in the field, even those producing awesome graphics.