I, for one, certainly hope that the current investigations reveal their conspiracy so that it can be eliminated once and for all. It was insulting and demeaning to educators at a time when it is getting harder to find people willing to take on the task. Besides, if the records are checked, you will find that what he wrote is simply not so. Education courses help. Also, among educators, IQ is varied, with some of the highest and lowest scores found in humans.
Teaching is an art.
Increased competence and excellence often follow practice. People skills are needed to teach, as well as organizing skills, etc. But, first, you have to want to teach. As in other jobs, desire is half of success or more. Enter words describing a concept or keywords.