I agree, but we have our own and its not dependent on what the alien does. What does the bible say about our responsibility?, is my questions on this.
You might give your home to be inhabited by as many illegals as can be stuffed into it, but that doesn't give you the right to give somebody else's home for that purpose. It's more than a country of just you, if you happened to notice.
It appears you advocate that controlled borders are not compatible with Christianity.