Reclaiming a religion is not a thing for one has to take efforts.
Like fanatics, moderates are playing their parts, as being passive observers. There is no question of claiming it back, extremism is an expression of human nature, it can't be eliminated completely, but it can be modified.
More importantly it is easy to blame on a group for that henious crime which has been done in Peshawar. It was a cowardly act, but thing is that , what is required to stop that process which leads people to form such radical groups, there are hundred of factors are involved in it, but what we are doing , what our stat is doing ? We are not curing the disease, but efforts are just to treat it temporarily, and insurgence of such groups are inevitable, then whats the point to solve this probelm temprorily.
We are responsible , as a society we failed, as an individual we failed, even when are not actively participating in societal construction our passive behavior stand culprit because of its passive stand. It is time to wake up, we should cure the disease, not treat it temproraily.

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Life is what happens to you while you’re busy making other plans. –John Lennon