Thread:Jester of chaos/@comment-29414935-20180905160147/@comment-2059440-20181009105809

I can explain that: it's a morality thing dating back to ancient myth and theology.

the villain represents evil and thus their death is seen as symbolizing a lesson to kids that if you commit evil you will ultimately be punished - and that evil itself will be defeated, thus the bad guy dying is morally acceptable and even seen as a learning tool.