"The borders have just been closed." ~ Uttered by a nun to the von Trapp family in The Sound of Music
It wasn't said in celebration, but as evidence that the bad guys had done something evil. Something which would put the good guys in greater danger.
This is what borderists refuse to see. Those who "close" borders might fool you into believing it's to your benefit, but it isn't. It is a trap. A cage. Yes, it may keep some of "them" out, but it can also keep you in.