Because, thanks to Ted Kennedy, years ago, quotas for emmigration from Northern Europe to the US have been drastically reduced.
Kennedy wanted the poor from the third world who were more likely to become wards of the state and RAT voters.
Please find out who and why prepared that Law on early 60’s, that prevented on purpose young Europeans to come to America...
Best,
I think Ralph Peters has a better take on the final European reaction to Muslims than this author.