The argument that someone was wrong about something once and thus should no longer be listened to about anything is both pervasive and dangerous.
[1] http://www.unz.com/article/an-obituary-of-the-new-york-times...
only once ? seriously ?
That said, all we have here is a prominent blowhard railing against a publication that favors his opponent. Not really meaty HN-worthy material, IMO.