It is not impossible to imagine a code of morality which views his alleged actions as ethical.
(I understand that you may not have intended to imply it. Just wanted to put that out there.)
So since we don't disagree on that: Do you think what he did is ethical?
edit: also, boston.com says he "is a fellow at Harvard’s University’s Center for Ethics". A quick google says that he was at least as of October 2010: