"Which is relevant to things how?" Because safe and sane were clearly the important things from the other side of the pitch that needed to be brought up. It never really stopped, did it? "General opinion does seem to be that I would be better off dead, so I'm not even sure why it matters to you."
Zacharias wouldn't deny that his view of the world wasn't normal. It probably wasn't even healthy, but it was the one ingrained into him as a child and then built upon his whole life. As far as Zacharias Smith was concerned all people were bastards until proven otherwise and the only way to survive was to push before you got overtaken.