Edward Dutton’s new book, Why Islam Makes You Stupid … But Also Means You’ll Conquer the World [Washington Summit Publishers, 2020], offers a frightening if interesting theory: Though rigorous adherence to Islam suppresses intelligence, the advantages conferred by ethnocentrism and fertility are so great that, in the everlasting conflict between the Islam and formerly-Christian Europe, the former will triumph despite the intellectual and technological advantages of the latter. ...
https://vdare.com/articles/will-islam-will-prove-that-demographics-is-destiny?scroll_to_paragraph=9