How fortunate we are that the author has pinpointed the problem with American education? It's the teachers! What would be most helpful, given this discovery, w

How fortunate we are that the author has pinpointed the problem with American education? It's the teachers! What would be most helpful, given this discovery, would be for him to take, say, a month off from his job and go teach in a public school. You know, to show the other teachers how it's done. I mean, how hard can it be?