When he was drunk he injured a lot of people, when he was drunk sometimes he burnt down whole City-State. He enslaved 20000 Women and children when he took over city-states. He also killed 6000 people that were in city-states. He also killed some of his men by fighting all the wars he took them to. He told everyone he was one of the gods sons, and wanted them to worship him.
This is why I say he doesn't deserve the name the great. He