Ha ha ha ... ha ... The 'Arab World' was never together. Ever. All of the 'Anti-American Imperialism' kids here should remember that the bulk of the 'Arab World' is 'Arab By The Sword'. Arabic is spoken across North Africa, in particular because of Arab Colonialism of the 9th-12th centuries. Not since then has the 'Arab World' been anything resembling 'together'. The Turks kept them (and there was not much of them) u…
Does the west and especially the US have anything from stability? I think they also would do, what they did to the "arab world" to Russia or China if they could. The parts of the world that advance faster can dictate more rules, so everyone needs to get ahead. One way to ensure that this is the case is to slow other parts down.
The instability we see is definitely not a function of design. If you have studied any of it you will quickly realise that this is situation that has many actors that act based on their own interest and absolutely nobody has control over it. Those that attempt to control it usually end up creating a hole host of unintended consequences even if they sometimes manage to achieve their main goal.
Its however true, that in some limited cases, creating more chaos can potentially help you. Such cases definitely exist but they are not the majority of strategies used. Syria releasing of Jihadist to split the rebels is a interesting example of such a strategy. It usually is a strategy of the weak, not the strong. The strong prefer control, not chaos.
The idea that it would be best to throw everything in chaos is completely wrong and even the leaders of the super powers understand that. Only if you assume that their is some sinister conspiracy that has completely different values thats operating under our institutions, could such a policy be explained. I see 0 evidence for such a conspiracy.