The link is to an article on The Washington Post's web site. In it, Brian Krebs examines the timeliness of Microsoft' patching of security vulnerabilities. According to Krebs, it is not a pretty picture.
It seems MS assigns priority to patches based on how much the public knows of them. Those that have gotten publicity get higher priority in Redmond than those that don't. And regardless of publicity, Kreb's analysis shows MS is actually slowing down in it's responses to vulnerabilities.
Isn't Trustworthy Computing grand?