overton windowing is too slow. it's not even about immigration anymore, but somehow finding a way to remove legal, 2nd and 3rd generation non anglos from the uk. you could cut immigration to 0 and even deport everyone who arrived in the last 2 decades, and you'd still have a problem. mohammed is the most common name for children born in london. the only way out of this is a hyper depression 2.0, which never seems to come (consult the chart)
Canada