Wow, you're right! I just read his latest article, (Six Ways We'd Improve Season 10), this morning and I didn't even notice that it was on another site. Looks like he's followed Michael Ausiello (who left EW last October) to Michael's new TV|Line website.
So that's Michael, Kirsten, and Jason Averett (snarky editor extraordinaire) all gone. Idolatry, R.I.P..