If I want to understand something, I must observe, I must not criticize, I must not condemn, I must not pursue it as pleasure or avoid it as non-pleasure. There must merely be the silent observation of a fact.
Nobody really likes to be lectured a lot. And, therefore, if you want to be an effective person, what you don't do is scold the person publicly all the time.
The prosecution wants to make sure the process by which the evidence was obtained is not truthfully presented, because, as often as not, that process will raise questions.
If we are honest and fair, then we are known by that. If we are not, alas, we are known by that as well. What we want to do is do right, but you have to say it, you have to show it, and not stop.