What Is the Wisdom of Allah?

The meaning of Islam is not knowledge it is submission. To merely know the truth doesn't make you a Muslim. We don't challenge Allah's wisdom because challenging Allah's wisdom is satanic. In the end only Allah subhanahu wa ta'ala knows. Abu Thawib believed that the Prophet ﷺ was telling the truth. He has said so himself. And this is one of those things that clearly tohid is understood through this.