Later, the viewpoint eclectically mixing both of the two theories and the viewpoint seeking the possibility of the compatibility between them linking with the regional differences, ethnic problems and so on was proposed, but it is far from establishment as a commonly accepted theory.
その後、両説を折衷する見解や地域差・民族問題などと関連付けて両説の並立の可能性を探る見解も出されているが、通説の確立には程遠い状況にあるとされている。