This is just another example how Islamic culture crumbles when forced to confront the reality of Western civilization and modernity. Islam is simply not compatible with the scientific and social advances, values and practices of the West. They confabulate and become violent, but they don’t produce.
Islam spreads violently when Islam has the resources to support jihad. Those resources always come from outside of the Moslem world because Moslem societies are subsistence societies. There is no incentive for the population to produce more than enough to live from day to day. The sultan/bey/emir/dey expropriates anything they produce above that which is sufficient to not starve. Raiding and conquest provided the wherewithal for jihad in past times. Oil money and foreign aid fuel it now.
That also neatly describes the average progressive...