> If he had decided to participate in the recruitment embargo, it certainly would not have been acknowledged in an email for all the discovery reasons that make this a compelling PR piece.

Not so sure. For the companies that did participate (Google, Adobe, Intel, Intuit, Lucasfilm), there seem to have ben plenty of written documents circulating, including "do not call lists" of competitor's employees that HR was not allowed to contact.

http://techcrunch.com/2012/01/19/damning-evidence-emerges-in...