What we are actually seeing is how far behind the DOJ and FBI are behind in having competent computer forensics professionals as part of their human resources..
We saw the same thing with the Patriot Act..do not have proper staff? than by God make sure that the US constitution suddenly does not apply if traveling outside the US..
They have plenty of competent computer forensics guys and equipment. But even with all of that, proper encryption with a strong passphrase is infeasible to attack. Forcing the key holder to disclose the key is the easy, inexpensive first step.
We saw the same thing with the Patriot Act..do not have proper staff? than by God make sure that the US constitution suddenly does not apply if traveling outside the US..