Takeo BANDO admitted that a theory advocated by TAKADA was commonly accepted, but both theories had no conclusive evidences and he pointed out that it would be difficult to deny the possibility of revising the work for the eight years until the book was published.
坂東健雄は、高田説が通説であるとしながらも、どちらの説も決め手に欠けるとし、やはり、出版にいたる8年間に推敲が行われた可能性は否定できないことを指摘した。