Or as someone on slashdot put it:

> Destroying the privacy of several billion people is not an adequate price to pay for capturing a dozen or even a hundred bad guys.

> Sure it did get them some. So would carpet-bombing New York City. Success alone is a worthless measure without taking cost into account.

-- http://yro.slashdot.org/comments.pl?sid=4631081&cid=45871537