The opponent of the evidence is protected, not by exclusion of the evidence, but instead by the use of a limiting instruction. (the-barristers-toolbox.com)
37 THE COURT: The test for exclusion of evidence under section 24 (2) has recently been reformulated in R. v. Grant15. (bestimpaireddefence.ca)
In its judgment, while the majority of the Court supported a finding of arbitrary detention, they unanimously found that this breach was not sufficiently eggregious to warrant exclusion of evidence under section 24 (2) of the Charter. (slaw.ca)