Well, i don’t know about the Saudis funding the entire refugee crisis, but i would argue that a lot of the migrants are immigrating to spread their beliefs.
You can find several videos of prominent Muslim holy leaders talking about how they are going to out breed the Europeans, Islam has had its sight on Europe since the 800s , and they know they cannot defeat Europe’s armies so they will simply out breed white Europeans. This is already happening, white birth rates around the world are plummeting, and Arabs have loads of children.
The only country that won’t fall under the Caliphate is Russia.
This video is as terrifying as it is interesting, i highly recommend both you and @TheDivineInfidel watch it.