In truth, I haven't paid much attention to this Patreus report as yet, so I'm not sure of all the details.
It is not unfair to characterize top military leaders as being both politically savvy (often a job requirement of sorts) and politicized by pressures external to the military.
That said, I would need a HELL of a lot of evidence before I would begin to accuse someone who has spent their whole life serving our country as being a betrayer or anything of the kind.
"I love signature blocks on the Internet. I get to put whatever the hell I want in quotes, pick a pretend author, and bang, it's like he really said it." George Washington