While everyone is scattering from the chamber Bilbo falls and is knocked unconscious. The battle of five armies is started anyway, Thorin, Fili, and Kili all die, proving that greed can kill you.
When a feud was going on between Thorin Oakenshield, The Elvenking, and the Lake-towners, Bilbo gave the other side the Arkenstone to use as reasoning. He is killed by Bard, a grim faced man from lake-town.
This would not be allowed by everyone else who wanted a fair share of the treasure German land and would be divided among the armies League of Nations. Tolkien is named Bilbo and his race is known as hobbits. Humphrey Carpenter. Looked at on a larger scale, the races of dwarves, men, and elves are also separated by greed and the mistrust sown by greed.
Tolkien was able to convert a war that changed Europe into a fairy tale and explain how the roots of war begin and end to an every child. After all, the hero of the story is a burglar who, at various points, conceals the truth from his friends, doesn't quite "play fair" in a riddle contest, and steals the one part of the treasure that Thorin most desires.