How Do We Correct Mistakes?
The duty of any Muslim who notices that a scholar or preacher has erred is to remind him and offer sincere advice.
If the error occurred in a confined setting, the correction should take place right there, without fanfare or publicity, and in the kindest, most upright manner.
But if the mistake is public and widely known, then there is no harm in pointing it out and clarifying it openly—provided this is done, as Allah the Exalted says: “Invite to the way of your Lord with wisdom and good admonition, and debate with them in the manner that is best” (al-Nahl 16:125).
It is important to stress that the censure intended here is not the impetuous fault-finding driven by youthful zeal and emotion, bereft of knowledge or evidence. Rather, it is criticism founded upon proof, clarification, evidence, and sound argument.
Such gentle and judicious correction can only occur among sincere scholars and devoted students of knowledge who, in their learning and preaching, stand united upon the Qur’an, the Sunnah, and the path of the Salaf of this ummah.
As for someone who has deviated from this divinely ordained methodology, he deserves a special treatment and an approach tailored to the degree of his deviation and his distance from the path of truth and righteousness.