Suggestions on how to react to the "CSIS is listening" revelation

Perturbed by the recent revelation that CSIS has been listening in on lawyer/client phone calls? (as discussed earlier, here) Concerned that CSIS has stated it will not stop listening in on such phone calls in other cases, until specifically ordered not to? (see here, second paragraph)

Well, here’s one possible counter-tactic, care of the brilliant webcomic, xkcd