People would actively welcome new approaches to teaching math. It's fucking frustrating not getting through to your students or having them dislike the course. Most of the faculty has tenure and the focus is largely (but not entirely) on research. THE IDEA THAT PEOPLE ARE THREATENED BY HIS SUCCESS IS ABSURD.

He is succeeding in the truly obvious way. Lowering standards and making it easy for students to ace his class without the skills the university has deemed necessary.

If he was really so deeply gifted at teaching he could have just used the same final exam as another faculty member and taught his students that material. Why doesn't he?