Superstition and sentimentality looked at somewhat scientifically

The story is written upside down. It should start with the child's blanket. Then Einstein's pen. *Then* the serial killer's sweater. The way it runs now, there exist members of the audience that will immediately claim that they wouldn't have a problem putting on the sweater. if you lead them to it via the blanket and the pen, they're far more likely to be honest with themselves.