Currently, the academic world has the theory that the rationale in the subjugation of Silla was formed in Japan with the tale of Sankan-Seibatsu; in consideration of the fact in which Sankan-Seibatsu was actually written at some distant point in time. (There was an article in the "Shoku Nihongi" [a continuation of Nihonshoki; an imperially commissioned Japanese history text] about a visiting envoy of Silla, who became outraged upon hearing the official story of the Empress Jingu.)
現在の学界では、三韓征伐説話は、はるか後の時代になって、新羅の日本への服従を正当化するために（『続日本紀』には、来新羅使の前で神功皇后説話を聞かせて立腹させたという記事もある）創作された説がある。