Sony bought Insomniac and Bluepoint, Microsoft bought Bethesda and Activision. It's like responding with nuclear weapons to a water pistol.
LOL that's a nice analogy.
also Sony kept buying these one year exclusives with what must be pocket change to MS, so it really must seem like Sonys been shooting at them with water pistols for years now and MS is finally pissed off.
As they say, "it's all Sonys fault, they started it!"
(not really)