That's an elitist perception. I've noticed there's at least a small market for being optimistic. There's going to be more optimism - as people get linked up all over the world and feel they're running their own lives. That will lead to more optimism. You foresee a boom in global travel.
People are mobile, borders are open.
Oh, it's a reasonable fear. It's even worse than that. In the sense that a terrorist act is a statement, it must compete with more and more noise in the world. So like advertising, terrorism will have to be more and more outrageous. Europe falling into a deep recession, Japan's economy being flat, and North America experiencing modest to stronger growth.