islam most peaceful religion - muslims most tolerant-Question

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islam most peaceful religion - muslims most tolerant- agreed. please think dispassionately and answer calmly then why is it that thosands across the globe take to streets whenever someone even mildly or ignorantly (or even wantonly) offends, but no one comes to street when terrorists commit atrocities in the name of their religion, why are there not even a dozen people on the street holding a placard ' please do not bring a bad name to our religion'