Osu Caste Discrimination in Igboland

Why is the Osu caste system, a form of discrimination, still deep-seated in Igboland? Are the civil and human rights of the Osu not being violated? How does the system affect global perception on Igbo culture and her civilization? The Osu Caste Discrimination in Igboland: Impact on Igbo Culture and Civilization, which is sequel to The Osu Caste System in Igboland: A Challenge for Nigerian Democrac...