Gladly!
The OP’s quote says we’re “a nation with a border,” which I’m — okay with, I guess? Oh, “and a culture,” which — okay, sure. They also say that “societal trust and political unity are threatened when foreign citizens are imported en-masse into a country, particularly without institutional support for assimilation and an expansive welfare state to bail them out should they fail to contribute positively to the country,” which — sounds pretty sensible, actually.
I’m not a fan of the Anglo-Saxon line, but, hey, I’m not a fan of the shit-for-brains line either.