I like it! I can see why this would be controversial in anarchy circles, but I see it as a mature approach that combines decentralization with the benefits of governance. You get to participate in a free market, but have some protection for your rights.
Does mean that Producers and Arbitrators have much greater responsibility than in previous dPoS solutions. With scale, there could be thousands of contract disputes to resolve everyday. Eagerly awaiting to learn about EOS' solution.