The Arabs, well -- ...
''I want to thank my fellow citizens and the Prime Minister who placed such confidence in me. I just did my duty. Of course, it helps if one can arrange to fight Arabs.'' -- General Moshe Dayan, at his commendation after the Yom Kippur and ''6 Days'' wars.
That about says it all, afaic. The Arabs are pffft; the danger is Islam, particularly Wahabbism. There are NO means of combating radical Islam w/in even a remotely democratic and reasonably tolerant society.
Therefore, and I should suggest right quickly, the West will have to make a decision; expulsion, ostracism if you like, or self-extinction. It will be interesting to see which path the West finally takes.
For the decision WILL be final, whether correct or not.
Arabsunder Mad Mo were also lucky -- the Byzantine and Persian Empires had been fighting for centuries and they had just managed to finish this fight when the exhausted Empires were attacked by Mo. The peoples under these empires initially welcomed Mo and co as the Empires had had to tax them to the hilt to fight the wars (internal as well as external), but they didn't realise they were choosing the greater of the two devils.