If that's the case, then why not stop hiring until more sufficient talent becomes available? Does this mean that Google's new hires are primarily there to increase headcount?
Management is legally obligated to act in the long-term best interests of the company; that is NOT the same as "deliver the highest total profit per share." For more, see:
http://en.wikipedia.org/wiki/Business_judgment_rule http://crookedtimber.org/2008/07/25/what-obligation-maximise...