What possible personal interest could Umar have had in al-Mughīra ibn Shu'ba?! In the eyes of the Muslims, Umar was like an impartial balance that tipped neither one way nor the other.
[The Rāfidi’s remarks concerning Umar’s grants to the wives of the Prophet—may Allah bless him and grant him peace]
As for his statement:
“Umar used to give the wives of the Prophet—may Allah bless him and grant him peace—more from the public treasury than was proper. Each year, he would give Aisha and Hafsa ten thousand dirhams.”
The response is as follows:
As for Hafsa, he would reduce her stipend because she was his daughter, just as he reduced that of Abdullah ibn Umar (1). This reflects the utmost care he took to uphold justice, his fear of standing before his Lord, and his restraint of his soul from caprice. He believed that stipends should vary according to merit. Thus, he gave the Prophet’s wives—may Allah bless him and grant him peace—more than he gave other women. Likewise, he gave the Banū Hāshim families of Abū Tālib and al-Abbās more than he gave comparable numbers from the other tribes. Whenever he favored someone, it was because of that person’s connection to the Messenger of Allah—may Allah bless him and grant him peace—or because of his precedence and rightful claim. He used to say: