She sounded catatonic. It would have been better for her to say this was not the time nor the place to discuss teaching methods and she would be happy to discuss this further after school or in the office but she will not have disruption in her class.<quoted text>
I disagree with you and agree with the guy from the second article I sent. She remained calm and just kept telling him to leave. Did not get into a heated exchange with him. To me, that's maintaining her composure.
She sounded way too dismissive.