Lately I've been doing some jogging around the neighborhood where I currently reside to get in a better shape. I noticed that at least half the people I run across fail to return a simple "hi" (and that is not because I actually run across them.). They don't even make simple eye contact.
I remember when I was a kid in Poland that I always greeted people on the sidewalk, and they returned my greetings. But that was in the late seventies. Today's automobile culture has acclimated people into the sealed environment of the car. I guess that most people carry that bubble with them when they get out of the car, too.
Little kids, really little kids, believe that when they don't see you , you can't see them. No, more than that. They believe that if they can't see you, you are not there. It is an early development stage of the human brain. And apparantely, many adult brains have not passed this stage. They also belive that if they don't look at you, if they don't respond to you, then you don't exist. Is that called regressive development or regression of the human brain? Is modern culture actually devolving the human species. As our electronics become more sophisticated, as our smart phones become smarter, we slowly devolve into simpletons and dummies.
Technological ▲ evolution = human ▼ devolution
Of course, no one is going to admit to this, because we have been brainwashed by anthropology and the idea of evolutionary growth. The human species came from apes. Apes are simpler than humans. Thus we are improving and growing more complex. Ancient Athenian was a "simpler human" than modern New Yorker. That is our bias. We believe this unquestionably. It must be so, after all, the ancient Athenian did not carry an iPhone. But is that belief true? While I like anthropology and I've taken as many anthropology classes as I could in college without having to declare an athropology major, I no longer believe in this bias. I don't think neither homo sapiens nor hetero sapiens are getting better.