As an add on the political dimension is different. When Israel went after Hamas, and Hezbollah, those groups fought desparate but not as hard, they were willing to incur civilian casualties for example because of the public outcry that would come from the UN and the West.
Fighting ISIS is a whole different animal, nobody in the UN is going to stand up and decry deaths in the fight against ISIS, so ISIS will fight with a different level of desperation and innovation.
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My name is Ozymandias, King of Kings;
Look on my Works, ye Mighty, and despair!
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