Takashi TAKAHASHI opposed to his theory based on the phrase 'the law of the nation's governance legislated as Fukai-no-Joten/ Fukaijoten,' however, many of the scholars agreed with the IWAHASHI's theory.
高橋崇が「不改常典と定めた食国法」という詔文から反対を唱えたものの、多くの学者は岩橋説に賛同した。