You will note a distinct lack of anything approaching the grandure of the great cathedrals, the beauty of Paris, Milan, Florence, Warsaw, Berlin and the other great European cities, the art of Michalangelo the great philosophers and writers of the west, the scientists who have invented the modern world flowing out of Kenya, the Congo and Nigeria!
It is far more likely that a flood of central Africans into Europe would result in human sacrafice, albinos being used for witch doctor medicine, gang warefare and mass amputations, rampant rape and polygamy and other cultural markers of African presence than that Europe could be saved.
The idea that Christianity can somehow transform low intelligence tribal people into Flemish and Dutch literate merchants is silly.
GAB-1955 my post 1937 was directed to WorldviewDad’s comments, not yours. My apologies.
On the other hand, as in the past (legal) migrations to America, the people with the moxie to make the journey are a self-selected group with the intelligence, drive and daring to make a difficult migration and resettlement. Contemporary Europe and the U.S. err in making migration too easy. But the worsening economic situation will see barriers start to rise again.
And surely you must realize that IQ tests vary greatly in design and have been widely criticized for cultural irrelevance when applied to those whose backgrounds differ widely from the test designers. They are more aptly viewed as ESCQ (English-speaking cultural quotient) tests than true tests of raw intelligence.