The article on the Ainu as featured in October 2019 issue of BBC History makes the interesting parallels with the history of the Anglo-Saxon and the Celts in Great Britain. The Wajin, or more widely known as Yamato people elsewhere in the Far East, are the major ethnic group of the Japanese archipelago, many of whom are the descendants of the ancient Silla (57 BC – 935 AD), a kingdom located in a southern part of the Korean Peninsula. (The Anglo-Saxon). The Ainu whose wherefrom and wherefores are still a mystery primarily inhabited in Hokkaido (The Celts or the Welsh).
However, it must be known that the Yamato were not hell bent on obliterating the Ainu culture but in effort to unite the divided provinces by Shoguns under the newly established monarchy of Tenno, which was in fact modeled after Papacy of the West during the Meiji Restoration. And it wasn’t that the Japanese mercilessly persecuted the Ainu under the reign of terror. Rather, they tried to indoctrinate the Ainu modern way of life, which in many ways improved their primitive quality of living by conforming to the reformed policy in favor of their betterment.
True that the Ainu were often subject to discrimination by their unique ethnicity, just as the Welsh and the Irish experienced it from the English, but part of their diminutiveness of presence resulted from the juggernaut of the modernization that necessitated the swing of things.