Earlier quoted context omitted.
> Elementary school teaching does require less academic rigor than a university professor. But you replace that with a need for a lot more knowledge of teaching and child psychology, so I'd say doing a good job is significantly harder even in the sense of requiring a lot of education.
> a lot more knowledge of teaching and child psychology Do they really though? In my experience, school teachers don't really have either and both are either learned on the job or academically taught when pursuing the major. Being a great teacher is tough, but very few teachers are actually great. Being a university professor is IMO, among the hardest positions to get. In my experience, the smartest people I know are…
Also the original quote was university teaching. The whole professorship and tenure thing is a separate giant ball of complication, and you're right that all that non-teaching stuff is extremely difficult.