How to evaluate some Korean scholars who say that Journey to the West originated in South Korea?

Think of this as a joke. They are not always like this: their own country has a short history and rich cultural background, so they think that the cultures of other countries are theirs, and they are really the country where everything originated. (Attachment: South Korea was formally founded in the south of the Korean Peninsula on August 1948. Its establishment originated from the provisional government of the Republic of Korea, an exiled government, which was established in Shanghai, China in 19 19. )