The column was a weak attempt to sweep the institutional bias under the rug.
No surprise there. It's a feature not a bug:
So, get this: The Times has now assigned an anonymous editor to “monitor opinion media” so the effete journalists don’t get caught flat-footed again. But they won’t identify the editor because they don’t him or her getting e-mails from the public (heaven forfend) and they don’t want him or her getting feedback, criticism, or tips from the blogosphere (the MSM must be shielded from the angry mob).