Did Microsoft write this?
No, but it almost sounds like they paid the guy who did write it. :)
It's just a typical anti-Apple slam. It even quotes Charlie Miller, as if he's somehow relevant. *yawn*
Show me the viruses that successfully infect OS-X, other than human engineered ones that attack -any- OS by fooling the operator. Show me even one virus that infects OS-X without the operator's cooperation letting it in. Then maybe there will be an argument that OS-X has inherent insecurities. Until then, it's just operator stupidity or naivete, and that happens for Windows and Linux and everything else exactly the same way.
All software has vulnerabilities. You find 'em, you fix 'em. Such is life.
Really, these so-called journalists should get our of their mothers' basements more often.