General Discussion

Yours related to poor people who should be in effect sterilized (either physically or through political coercion of some sort, are there any other options?).

The post you're responding to has to do with the effect of overpopulation on the larger environment. The people who have the most negative impact on the planet are the rich, not the poor. That's who is using the most resources and creating the most pollution and long term damage.

The unstated implications in your post are that primarily nonwhite (i.e. poorest) nations need to impose population control (and eventually die out if they can't support themselves). That doesn't address that the reason many times that they can't support themselves are that the primarily white rich nations have used that power to gut their resources. Maybe the rich mainly white nations need population control more than the poor nations, since the only way we know to feed our children and get them fancy cars with the corresponding fuel is to steal resources from others through war.