Although this rule prevented severe disputes due to Imperial succession and stopped Emperor Tenji's Imperial line from returning, it in fact limited the successors of Imperial succession and caused the discontinuity of the Imperial family line. (As a result of this, Emperor Tenji's Imperial line was restored.)
このルールは、激しい皇位承継紛争を未然に防止して天智皇統の復活を阻止しようとした代わりに、承継候補者を限定してしまったため、却って皇統の断絶（結果的には天智皇統の復活）という結果を招くこととなった。