If a person has done wrong, is conscious of what he has done and does not say sorry, I ask God to take him into account. I forgive him, but he does not receive that forgiveness, he is closed to forgiveness. We must forgive, because we were all forgiven. It is another thing to receive that forgiveness.
You must have the confidence to override people with more credentials than you whose cognition is impaired by incentive-caused bias or some similar psychological force that is obviously present. But there are also cases where you have to recognize that you have no wisdom to add - and that your best course is to trust some expert.