There's nothing to be done about it. He exercised his rights, in an idiotic manner, but within the law nonetheless. Something needs to be done about these fools who will kill their own over the slightest offense.
Remember that we're talking about a pastor taking pride in having outsmarted illiterates in a country in which they are a majority. first the British attacked them, then the Russians, and now us. They've never had the chance to develop a quality education system. To show off how much smarter we are than people who've never had a chance at an education is pretty ignorant in my opinion.
Oh, and I'm not necessarily saying the perpetrators shouldn't be punished, but merely that we should not be so haughty at our oportunities compared to theirs. From that standpoint, we ought to show ourselves more responsible. Set an example.