ZPG is for Zero Population Growth...you'd need the fertility rate to equal the death rate. If Juan and his kids aren't crossing the border...they are still having the kids.
Unless you are arguing that only the US, instead of the world, needs ZPG.
I dont control the world. I am saying that people in the USA breed responsibly.
People external to the USA do NOT.
Illegals represent the attempt by external entities to export the consequence of NOT being responsible, and in fact, they are trying to make ME, pay for their children.
I didnt force them to have children. I do not want the bill. The parents can pay it.
Humans are not lab mice. They ARE able to make decisions about their own breeding.