why do you think that he is necessarily wrong. After I read his memo, I would say it is debatable, not wrong. In fact you're attitude is a very clear sign of the silence culture being pushed.
Ehh...I was replying to a post that didn't consider the fact that he might actually be wrong, come to terms with his wrongness, and admit it and move on. Whether or not he's wrong is perhaps an unanswered question -- I don't really know enough about the memo to say one way or the other -- but he should consider that what he did was wrong.