[FITZ]

There's no practical difference between a country having an insufficient birthrate to replace its population and a country that can't field an army to defend itself. Both are doomed to be overrun and assimilated sooner or later.

A certain level of immigration from countries that have people who can be assimilated into our culture is good if the birthrate is too low. Overly rapid immigration isn't good and when the government interferes with assimilation it's also not good.

[Harrison Bergeron]

"...who can be assimilated into our culture..."

Perhaps you missed the three or four times I used the word "unassimilated." The practical result of ever increasing numbers of "unassimilated" aliens is that the host culture is what ends up being assimilated - not the guest culture. Al salaam alakum.