Much like how neither Western infrastructure not institutions were never built to withstand being submerged in Third World effluent, post-bushido Japanese culture is simply unequipped for dealing with the cultural cancer that the Third World shit-skinned menace will infect it with. These "immigrants" are, without exception, all from failed states stemming from dead cultures -- there can be no "acculturation" of species are innate pests.
>Asia will fall first, via cultural destruction
>the West second, due to complete institutional collapse