Or maybe he was being loyal then
and feels no obligations to do so now- since he obviously got fed up, isn't on their pay roll, and not on 'the team' anymore. Do you expect that a professional, a loyal american, would shred the administration he was a part of during wartime? Nope. He left first and waited awhile.
And in that piece, I see little directly contradicting what he is saying now- rather a rosier more flowered presentation of a subset of the issues, with all the 'big problems' omitted.
Davin L.