I am confused. Are you using multiple HN accounts or something? I was not reply to the saghm account and your saghm account isn't even present up the thread.
I'm having trouble grokking your statement, but "open borders" is not a pejorative. It's a belief that people, more or less, should be able to freely flow across borders and live where they like.
Again, I am speaking from a US perspective. It may carry different connotations in other countries. It's too prescriptive to apply the same immigration policies at a global level. There's too much nuance and geographical differences.