According to Takamaro SHIGARAKI, a scholar of Shinshu sect, this resulted from great distortion in the style of faith of Shinshu sect by the succeeding leaders of Shinran's teachings, especially Rennyo, whose teachings were political and full of deceptions and in which Rennyo himself did not believe.
真宗学者の信楽峻麿によれば、これは親鸞の教えを継承した、彼より後の指導者達、とりわけ蓮如の、自身なんら信じていない政治的かつ欺瞞に満ちた教説によって、真宗の信心のあり方が大きく歪められた結果であった。