We kill for money and power. And if you think we became better, then read the history of the 20th century. Gladiator is supposed to make us think. Remember his words. About the wheat fields.
Wheat field is a symbol of creation and peace.
War, nevertheless, is the favorite business of human beings. But even so, there is something beautiful and very clean in our world. We can touch it if we love, and then power and money lose their value for us. Maximus did it. Today, there is a war.