On page 104 of his book "Rekishi to Text - Saikaku kara Yukichi made" (History and Text - from Saikaku to Yukichi) (Kobosha Publishing, 2001), Ida concluded as below saying that he could not totally exclude the possibility of Yoshio TAKAHASHI (Chajin [a master of tea ceremony]) wrote it after conducting an identification of the author of the 'Datsu-A Ron.'
井田は『歴史とテクスト――西鶴から諭吉まで』（光芒社、2001年）の104頁で、「脱亜論」の認定を行い、高橋義雄(茶人)が起稿した可能性を排除できないとして、次のように結論付けている。