Well, as much as I hate to say it: this was only a matter of time, seeing how this was addressed at one of the more recent CCC conventions and pretty much ignored by telecom providers.
Indeed here are the ccc videos from the other thread
As I said this is not the only example of insecure networks that put too much trust in the other network actors; Telecom, payment processing at point of sale, travel bookings all do this. In the end putting the ordinary users at risk.
While sad for the victims, maybe this turns the tide on the banning encryption debates in parts of Europe.