For some reason they refused to run this one, so I thought it would be good to draw attention to it on a related story.
He is talking about what prevents OpenBSD from being a secure system for the points you mention.
I found the discussion on the blog quite interesting aside from the insults, which are a minority
A criticism of the OpenBSD security philosophy is performed, along with an examination of the claims made regarding the project. In particular their rejection of any advanced access control framework is examined. A well researched and well written article, followed by over 200 comments that are also worth reading.
To the systems programmer, users and applications serve only to provide a test load.