Certainly not all people can learn how to teach mathematics. That is not at all disputable in my mind. I may be in the set of people who can’t learn to teach math. I’ve tried for over 20 years and appear to be just average at it. Maybe I’m below average.
My collection of anecdotes that not everyone can learn math works as an anecdote that not everyone can teach math.
My collection of anecdotes that not everyone can learn math works as an anecdote that not everyone can teach math.