Some researchers interpret this as the fact that he had forced Buddhism to the Ainu, however, others suppose that the Ando clan that lead the Ainu might have been defeated by Yuan Dynasty because the Yuan's attack against the Ainu in Sakhalin (Karafuto) Island around that time was documented, and therefore, the word 'Emishi' here might indicate the northern foreign people in general, and not meaning precisely the Ainu.
これを、アイヌに仏教を強要したためとする意見もあるが、この頃元(王朝)が樺太アイヌを攻撃したことが元史に記録されており、ここでいう「ゑぞ」をアイヌではなく広く北方の異民族と解し、安藤氏がアイヌを率いて元に討たれたのではないかと推察する説もある。