Look at the OP. This is a critique of nationalism by a libertarian who wants to exploit cheap foreign labor at the expense of the home population under the faulty assumptions that indefinite growth is possible and the net benefits to all of society will be realized through this. In reality it's pathologizing basic self preservation instincts in the name of exploitative capitalism and the destruction of home cultures so that the "elite" class can screw everyone over undisturbed by those with the brains and culture to recognize when they're being fucked with.