The trite explanation for that is, when you see Earth from space, the borders disappear. You’ll be looking at Africa or Europe, and thinking back to what happened there 60 or 70 years ago, and you’ll be wondering: How could that little line right there have meant anything to anybody? You can’t even see it from a million feet away. But more important is that you can see that people all around the planet live more or less the same way. One of the guys on the crew put it best. He said we look like bacteria in a kitchen—we’re living in these sheltered little warm spots that have a nice supply of moisture. You can look down on a city and think, hey, I know that place. But then you wait half an hour, and you’re on the other side of the world, looking at a place you’ve never even heard of and, wow, it looks exactly the same.
So you make this link. You realize, “Those people are the same. They’re trying to solve the same problems the same way. They just have their own particular set of barriers and circumstances.” So it affects your response, when you hear about some idiot doing something stupid that has a negative effect on it all. You have to accept it; there are good dogs and bad dogs in life. You just wish that people could get a little more of that million-feet-away perspective.