With FB's dataset and employee count, it would be insane not to be concerned with malicious insiders. Even if you completely discount morality and honesty where

With FB's dataset and employee count, it would be insane not to be concerned with malicious insiders. Even if you completely discount morality and honesty where Facebook is concerned (and I do), there's substantial liability risk, PR risk, regulatory risk and commercial paranoia, which I suspect was likely their biggest concern, at least until recently.