Unfettered immigration? Theres exactly not a single country who has that. Some more strict than others, but none unfettered.
You know what other countries have economic downturns at the moment? Damn near everyone. Get your head out of your ass and start pointing fingers in the right direction. Not the weakest or labour immigration.
Christ, this hateful bullshit has been spouted thousands of years and the only times it’s ruined societies has been when it’s not immigration, but colonisation.
If I understand it correctly, and please correct me if I’m wrong, Russian interference in Syria has been exceptionally devastating for Isis in the region.