It seems that Mitsuyoshi, wondering why his father went so far as to divide the Onmyodo, which was the teaching of the Kamo family, in order to give the position of Soke to the Abe clan; as such, it is said that Mitsuyoshi argued with Seimei over this matter ('Zoku kojidan' (Talks of the Past, Continued)).
光栄はなぜ賀茂氏の家学である陰陽道を分割してまで安倍氏に宗家の地位を与えたのか疑問に思っていたらしく、晴明と争論したという（「続古事談」）。