More than 700 pilgrims were killed near Mecca in a stampede during Hajj today. As tragic as this was, it was the seventh (but far from the most deadly) such catastrophe at the annual pilgrimage in a quarter century. According to the Saudi Arabian health minister Khalid al Falih, “this is God’s will.” It makes me wonder, is Hajj—a mandatory religious duty for Muslims—God’s idea of a cruel joke?