[thaumasiotes]

If your idea of the health of Japan is totally disconnected from whether the Japanese -- technically -- exist, then no, we don't.

When the English and the Germans came to North America and replaced the population there, was that a success for North America? If so, is it the kind of success you'd like to have someone else give to you?

[sokoloff]

Over 10s of generations, I'm not especially worried about the trivial differences in the genetic ancestry of the people who live in a given country.

[thaumasiotes]

Most people don't wish to die for their ideology. You may be an exception. I doubt it, but if so, you're welcome to it.