Most Muslims in Germany are not particularly extreme and send their daughters to school just like their sons and yet they have a much higher fertility rate that other groups in Germany.
Saudi Arabia has been complaining to the EU about extremist views being taught in European mosques.
The formal one or what Saudis find Extreme? If it is the latter, then Saudis’ complaints would be laughable and ironic since their Human Rights’ record isn’t what anyone would laud them for.
If somebody from Finland thinks your country is too cold in the winter, your country is absurdly cold.
I don't disagree that there are some extremist Muslims in Germany, but I don't think that there are enough extremists to explain the large disparity in fertility between Muslims and non-Muslims.