The point is that, in tptacek's estimation, she provides no evidence for her assertions, relying on us, the audience, to trust in her purported experience and a

The point is that, in tptacek's estimation, she provides no evidence for her assertions, relying on us, the audience, to trust in her purported experience and authority. Another way to look at it is that she's committing an appeal to (her own) authority fallacy. Pointing out fallacies is not ad hominem.