That is how it is with Islamic invaders, even with those who come in the form of immigrants: Convert or kill all infidels. The only thing that prevented Europe from becoming Islamisized were the crusades and Europe is due for more.
https://medforth.biz/parents-of-french-woman-axelle-dorier-who-was-dragged-800-meters-to-her-death-say-a-minority-of-the-population-is-destroying-our-nation-and-behaving-like-savages/