Guns came about through the desire for a more efficient way to kill. Arrows came about through desire for a more effective way to kill animals for food. Income equality will always exist, you're right. Even with a properly functioning economy, there will be income inequality. It's one of those "necessary evils" we all learn about. The problem is, those in power want to see 2 distinct economic classes. The rich and the poor. They don't want a "middle class" anymore. We're slowly moving back to the days of "steal from the poor to pay the rich". Just look at the "Healthcare reform" that was past in the US. You either pay for health insurance (which a large portion of the US can't afford) or you pay a financial penalty for not having it.