To me, the biggest argument is that they lost this fight with PGP almost two decades ago when it was determined that they could not constitutionally suppress it

To me, the biggest argument is that they lost this fight with PGP almost two decades ago when it was determined that they could not constitutionally suppress its export. There were a lot of questions in that talk along the lines of "How is this going to work?" which Comey admitted he had no good answers to.