It reflected the social conditions at the time when instruction on the Kidendo was widely offered; on the other hand, such an act was obliged to involve a private relationship between master and disciple -- It was considered that the latter fact introduced a conflict between the academic clique from the Sugawara clan and those from the hakase who opposed the Sugawara clan, and that the latter made the Daigaku-ryo system only in name and promoted the formation of hereditary learning.
これは紀伝道教育が盛んであった当時の世相の反映であるが、その一方において、こうした行為は私的な師弟関係の形成と言う要素を含む事になり、菅原氏の学閥と反対する諸博士の学閥という対立抗争を生んだ他、大学寮制度の形骸化や家学の形成促進につながったと考えられている。