It bears repeating – until such time as the “peaceful” Muslims unanimously and publicly denounce the extremists and actively assist with shutting their operations down, the rest of the world has no way to tell one Muslim group apart from the others.
Vernon Pope
Politics – the game nobody wins.
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Vernon Pope 
This reminds me of some other religion we are familiar with….. Jus saying……
You are right. Any organized religion is vulnerable to such comparison. As soon as they elevate one class of believer to something like a “priesthood” and then empower them to live off of the toil of the rest, you invest the priesthood with a motive for the “us versus them” game. The goal isn’t elevating the believers, but keeping them loyal to the flock. Only when we disabuse ourselves of the notion that there must be an enemy can we truly grow.