He normally seems like a level headed and reasonable person.
Since when, exactly? he flamed respected and competent people back when personal computers were still a novelty. A great deal of his persona is based on such comments, actually, and usually gets in the spotlight because of it (last time he offended the whole Gnome project out of the blue in defense of KDE, and the whole japanese open source community because they don't flame people to defend their ideas (?!) ). He could have stopped at the point where it said that bug solver analysts don't get the attention they deserve, but actually had to go over with ridiculous claims (it's really so difficult to explain why unless you are a nerd in a sealed bunker security holes are more important than others?). It's simply malicious to attack part of your own community in order to gain attention where you could just defend another part of it. Basically he is doing the very same thing he accuses security analysts of doing.
The nature of an open-source OS should imply that everyone could do a distribution which fits his needs, or fills a niche where there isn't offer in a business environment. If OpenBSD had success, they clearly hit a soft spot there. If you don't like it, you still win since they attracted more people to your offering. It's talent you've got (more or less) on your side, while he basically states they have not expertise since any bug solver could do their job (which is NOT true: experience you get on the field is valuable, and with their clients it's experience not many analysts can get their hands on).
It's true that security became a business and as such end up using scare tactics in order to drive money, but it is also true that every pc today is a connected terminal and most of the anti Microsoft campaign is based on the "on linux you don't get any virus" claim, while by telling that security holes are as important as any other bug he is actually confirming the fact that there aren't many viruses on Linux just because it isn't widely used as a desktop environment.
"But it's no less important than everything else that is also important!"
Hands off, that one seems taken from a George W. Bush speech. :)