It is always about money.
The problems in the Middle East stem from international greed and the fact that the people there live on top of such rich resources. There are different religions there that have existed side by side for a thousand years. ISIS is just one more, foreign backed, group trying to cash in.
Brexit, Trump, the Italian vote and the upcoming French and German vote are all about the middle class being left behind financially. The current votes are the only way to send a message.