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This seems like either a misguided pro-Palestinian jab at an Israeli paper (I for one very much support Palestine, but that has nothing to do with this article) or even simple antisemitism of the "great replacement" white nationalism variety. I hope I am mistaken.
Moreover, the conclusions of the 2 articles about the 3 main migrations that have affected most of the Europe are not controversial or completely new, they just bring more precision and additional details to what was already known.
EDIT: And the article seems unaccesible to me right now.