Because the behavior of your chosen leaders reflects on you? Ostracism is a thing. From the "greed" point of view - because your chosen leaders can have dramat

Because the behavior of your chosen leaders reflects on you? Ostracism is a thing. From the "greed" point of view - because your chosen leaders can have dramatic and immediate impact on your net wealth. Even if hedonistic, "I have no assets", your chosen leaders will choose how comfortable your life is.