However, there are also those who view Iruka's hard-line politics as having been motivated by his desire to overcome the weakness of a political base undermined by antipathy among the Imperial family and other influential families towards the Soga clan after the death of SOGA no Umako.
しかし馬子の死後に、蘇我氏に対する皇族や諸豪族の反感が高まって蘇我氏の政治基盤が動揺し、それを克服しようとして入鹿による強権政治に繋がった、という見方も少なからずある。