Was Katz right? Answering that question doesn't really get you very far. Katz could have politely disagreed without taking over the presentation. Katz could

Was Katz right? Answering that question doesn't really get you very far. Katz could have politely disagreed without taking over the presentation. Katz could have taken the author aside afterwards and shared his perspective. Katz could have offered to assist with a revised presentation. There are all sorts of ways to politely and tactfully correct someone. Doing it in the manner described in the original article doesn't seem like the best approach.