[tomp]

They don't, that's the trick - they just insult those who vocally oppose their ideas.

But it's immediately obvious to any mildly intelligent, intellectually honest person that open borders are only possible for ultra-capitalist countries; imagine putting a billion people into the EU, and the countries are going to go bankrupt and collapse faster than you can say "public healthcare and free schooling".

[uniqueid]

  they just insult those who vocally oppose their ideas.

It's fair to call me out for insulting the author. The remainder of the comment is misguided because, as I replied elsewhere in this thread, I see open borders as a long-term goal.