I recently was nearly robbed and broke my kneecap in the process. Somewhere around 30 people could clearly see the entire thing go down, and yet only one person came by to ask if I was ok. WTF is with people?!?
There have been a lot of studies on group dynamics of crowds in response to traumatic events occurring, and many examples as well, the most famous being that of Kitty Genovese who was stabbed to death within easy seeing and hearing range of 38 of her neighbors in NYC in 1964. The usual theory on this is that diffusion of responsibility leads people to inaction- the thought that "someone else could do something- they see it happening too."
Some people, though, decide to act in such situations and actually DO something to help, though these people are said to be few and far between.
Any other ideas on why people are so careless or ballless in such situations, or does the fact that it could easily be somebody else's problem just about cover it? This question has been bothering me a bit recently