Blame India, Israel or Santa Claus all you want. Having lived the majority of my life in Pakistan, I am willing to believe, that there may be millions, yes millions of people in this country who believe killing people who differ with them in religion is a just cause.
This problem will never be solved until the state rids itself of sectarian policies. All institutions in this country are pretty much compromised when it comes to sectarian hatred. Who will step up? No one knows. Pass the buck to someone else, blame someone else, come the next week, and forget about the lives lost. Feign outrage, rinse, and repeat.
May Allah ta'ala bless the martyrs with the highest station in paradise, Ameen.