Comment by TheOtherHobbes

Japan is on its way to losing its culture because of demographic decline. Babies aren't happening, and that doesn't seem likely to change soon.

Making citizenship as hard as possible for acculturated foreigners is a good way to guarantee the culture will collapse from the inside out.

Racism and nationalism are cultural monkey traps. Sometimes you have to let go of the thing you're holding on to to keep it alive.