Certainly certainty is a whole lot better than confusion, both in the way you referred to and in the example you gave of hesitation in handing it over when they probably were lawfully able to do that in the first place, and also in the possible broad interpretation of relevance.
For example, CSIS might have limitations in some of its provisions related to “as necessary”. We've certainly seen how they interpreted that in the recent cases that have come out of the Federal Court. The RCMP doesn't have those sorts of limitations, and we have 14 other institutions , I guess, that are referred to in the act that would have different sorts of rules as well.
I do think that if you think necessity is too high a threshold, relevance is too low a threshold, and some—