The six regions of Nigeria are fundamentally different in their culture, where they are in the maturity grid of epistemology. That is what culture means. Culture is evolutionary. Some people are still at the belief stage. Some people are at the reasoning stage, some people are at the science stage while some are at the high tech stage. That is where the Igbo are, solving real problems with real actions, not praying or hoping or reasoning.
When you put them together with people who are still at the medieval ancient antiquity age, those people feel threatened and feel like nothing. And rightly so. So the envy always generates violence.
Where the Nigerian ethnic groups are on the epistemological grid is different. You cannot jump it. You have to go through evolutionary development.