translated: "Intelligence agencies ought to have the same capacities in the digital sphere that they have in the analog world."
Going to be an unpopular opinion here but i agree with this. I don't think there is any precedent for impenetrable private communication legally or culturally. Capacity to say, tap a phone or surveil communication has existed, of course with a warrant and strict legal checks.
People who want to argue against this need to make a case why legal or cultural standards should adopt to a technology, rather than arguing from technological capacity backwards.