This wasn't just a few hundred people being injured or killed: This event, by its targeted and spectacular nature, negatively affected hundreds of thousands of

This wasn't just a few hundred people being injured or killed: This event, by its targeted and spectacular nature, negatively affected hundreds of thousands of people. Add together the costly, chaotic disruptions for all those individuals, and you don't need many of these "rare" events to make terrorism a much more significant problem than you're making it out to be.