So then here’s a story that has two sides, after a fashion. On one side, banks know that if there’s a back door to their communications that governments can use, there is by definition a back door that Bad Guys can use*. On the other side, these same banks have a history of not exactly being Good Guys themselves, and some are rightly pointing out that this same security prevents the legitimate government action of rooting out and punishing unlawful actions.
* I know, I actually agreed with something That Asshat Michael Chertoff said! Alert the media.