I mean, I can't even believe this is a debate. This was unquestionably leaked in order to put public pressure onto what is supposed to be an independent judiciary. It was an appeal to the mob. You'd have to be really lacking in any sort of common sense to think otherwise.
As a former law clerk at a much much much much much lower level obviously, I could never imagine betraying my Judge's trust like this no matter how much I disagreed with what he was doing. Granted, my Judge also treated me better than any other boss I'll ever have. But still.
As del said, if you're capable of doing this, you're capable of totally taking a excrement on attorney-client confidentiality. To me, it's absolutely disqualifying in terms of practicing.
Then again, to my knowledge, Collinford Mattis has yet to be disbarred for throwing a freaking molotov at a cop car, so who knows.