Where there are refugees, there is strife. It's worse if they are welcomed. Hong Kong with the boatpeople in the 70s. Jordan with the Palestinians in the 60s. Heck, America overall with the Irish during the potato famine.

Refugees, welcome as long they don't put down roots, are like us, and they make us feel better about the lousy stuff we do. Once the reality sets in for everyone, things change. All this has happened before, and it all will happen again.