Some Korean nationalist sentiments assert that the whole of ancient Japanese culture originated from the Korean Peninsula (put forward by Pak Pyong Sik and Yi Yong-hui), and some Japanese people including Yuka FUJIMURA have also supported those views, and elements of the media including the Japan Broadcasting Corporation (such as NHK, which is recognized as a respected state-run broadcasting station in other countries, in some ways moreso than in Japan) and major publishing houses including Bungeishunju Ltd. and Shincho Publishing Company have reported that those opinions have been shared by some Japanese people.
それを逆手にとった、日本の古代文化をすべて朝鮮半島由来とする韓国の民族主義（朴炳植、李寧煕など）、さらにそれに迎合する一部の日本人（藤村由加など）の言説や、それを好意的にとりあげた日本放送協会（ＮＨＫ。海外では「国営放送局」と認識され、国内以上に権威主義的な影響力がある）などマスメディア、文芸春秋社や新潮社など大手出版社の影響力が介在している。