The way the ultimate law of the universe works, and we humans are totally subject to this broadest of laws, humanity was never destined to head off in some problem free direction — ever.
The universe works on the simple principle that creation and good will always, at some point in time, be offset by destruction and bad — balance.
And now that humanity is flat up against the final, for humanity, offset — nuclear annihilation — I find it hilarious that folks find Facebook privacy concerns one of their most pressing issues — really.