1. When you're looking at a screen, sometimes it's difficult to image that on the other side of the screen there is another real person. 2. There are some cult

1. When you're looking at a screen, sometimes it's difficult to image that on the other side of the screen there is another real person. 2. There are some cultures where cheating and bullying aren't considered bad things per se, but rather as demonstration of cleverness and power. 3. Some people develop proper sense of empathy later in their lives, later than when learn how to interact with the world, which is one of the reasons why teenagers in general are such pain in the ass. Some people never actually feel empathy, and simply don't care about other people. BTW in real, physical sports, there's little room for "sportsmanship". It's all about winning, it doesn't matter how, and people with most medals are people who understand this the best. You can especially see this in sports where raw muscle power is more important than skill and technique, for example cycling. What makes you think that gaming would be any different?