Are they really citizens? I say no.
Before you go and look up the constitution let me just quote the pertinent portion, “All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside.”
So I am aware of what the constitution says, but I also know that there are interpretations and exceptions. For instance the children of foreign diplomats born here are not citizens. And children born to enemy forces in hostile occupation of the US are not citizens.
And what do both of these exception groups have in common? The parents clearly have no intention of becoming US citizens.
Bingo! Neither do the parents of illegal immigrants, or they would have tried to enter the US legally so as not to jeopardize their application of citizenship. By the very nature of crossing illegally, illegal immigrants have refused to be subject to the jurisdiction of the US.
And further, in the case of Mexican illegals, I say they are part of an occupying force because the Mexican government is instructing them firstly in how to safely and illegally cross our borders, and secondly in how to live when they arrive. They may not be considered hostile or enemy, but they certainly are an occupation force of a foreign nation. Will they raise their children as Americans with Mexican heritage, or as Mexicans living in a foreign land?
I don’t think children of illegal immigrants are children of the US.