The ruling on mentioning a person's faults when assessing him

The questioner : What is your opinion of one who, when he wants to assess a person, does not mention the good he has, but only mentions his faults?

The Shaykh : Our view is that this is injustice and oppression. For Allah, Mighty and Majestic, says in His Book: . . .
So Allah, Glorified and Exalted is He, forbade that our hatred of a people should lead us to be unjust. Rather, He commanded us to speak with justice. And Allah the Exalted affirmed the truth that came from the polytheists. And the Prophet (peace and blessings be upon him) affirmed the truth that came from the Jews. So Allah, Mighty and Majestic, said: . So the answer was: Say, "Indeed, Allah does not command immorality." So He invalidated their statement, "And Allah commanded us to do it," because it is false, and He remained silent regarding their statement, "We found our fathers doing it," because it is true. And a scholar from the Jews came to the Messenger (peace and blessings be upon him) and said, "We find in the Torah that Allah places the heavens on one finger and the earths on one finger," and he mentioned the rest of the hadith. So the Prophet (peace and blessings be upon him) laughed in affirmation of the scholar's statement, and he recited: So the Jews were affirmed in their statement of the truth. So it is obligatory for one who wants to assess a person fully, if the need arises, to mention his faults and hold him accountable. And if he is one known for advising the Muslims, he should excuse the faults that came from him. For example, we see among the scholars, like Ibn Hajar and al-Nawawi and others, that they have errors in creed, but these are errors that we know with certainty, based on what we know of their conditions, came from independent legal reasoning (ijtihad). For example, we find them interpreting (ta'wil) such as the saying of Allah the Exalted, "And your Lord comes," saying the meaning is "And the command of your Lord comes." Why? Allah says "Your Lord comes" and you say "His command comes." This is an error. It is obligatory upon us to believe that Allah comes however He wills. But we seek an excuse for them, and we do not make of this error, which we know came from independent legal reasoning, a door for cursing and disparaging them. As for one who wants to mention the defect in a person to warn against what he said in this issue, then there is no harm in that. Because there is a difference between a person who wants to assess a person fully, so he must mention the good and the bad, and if he is one known for advising the community, let him excuse the bad that came from him, because it may be due to his interpretation or lack of knowledge or something similar, as long as we know that the man is an advisor to the community. And if he wants to warn against the evil that came from him, then there is no blame on him for mentioning this thing that came from him to warn people from this statement, for example.