Is it moral to laugh when innocent people die? Psychological 'sacrificial dilemma' experiments may have outlived their usefulness

A runaway trolley is out of control. Ahead of it on the tracks are five people tied up and unable to move. You are too far away to untie the people, but if you act quickly, you could push a very large man in front of the trolley and stop its progress. Do you do nothing and let five people die, or kill the large stranger? For the past few decades, many psychologists and other behavioral scientists have used this scenario, known as the trolley problem, to shed light on how people make moral decisi...