They're on the side of some of the citizens. They're not on the side of the citizens who want more lax immigration.
Don't get me wrong - I think an unlimited labor pool screws over American workers and upsets the balance between labor and capital. And I think letting people who came here illegally become citizens is very, very wrong.
I just don't like the rhetoric that makes opponents of open borders sound like zealots, because that makes it so much easier to discredit their position.
The debate won't be won by those who scream the loudest.
There are a very small number who are working against the vast majority to screw them out of their country.
Borders on treason in my book