1920년대에 수신은 현실의 정세에 맞지 않고, 학생들의 흥미를 끌지 못하는 교과라고 교육계에서도 비판을 받아왔다.
In the 1920s, moral training was criticized even by the educational community as a subject that did not fit the actual situation and did not attract students' interests.