Nah, they're just de-sensitized to it.
"Well, there's another issue that gets confused. I believe due process extends to citizens, but not to aliens. I don't think we should be "disappearing" our citizens, but as for aliens, screw 'em."
Just to throw out this thought - they are "inalienable HUMAN rights", not American rights. The belief is that all people should have these rights. To not bestow them to others who come into our country is a bit of a contradiction, though I admit that in actual practice, it can cause many problems as well.