The primary emotion driving together the far-left and militant Islamists, but also frequently prompting secular liberals to applaud armed Islamic groups as well, is hostility toward the United States, toward Israel for its treatment of the Palestinians, and, more broadly, toward what is seen as Western-dominated, capitalist-driven globalization.
Yes indeed, it’s their “blind faith in the service of total principle“ that keeps the Left from discerning between right and wrong, morality and immorality and good, sound common sense judgement in place of high minded tomfoolery. Here is an excellent article that really captures the truth of why many on the hard Left are truly hopeless cases, who will gladly sell the rope used to hang themselves.
Their hatred of global capitalism is something that they share with their ideological, heretical Marxist cousins, the Fascists. What a foul ideological soup they make, but they all most certainly enjoy it, to the very last spoonful! More here. *L* KGS