The cloud wouldn't directly produce 60fps, but offloading enough non-time sensitive tasks to the cloud could free up enough console side resource to allow 60fps. As long as there was an offline fps and an online fps I don't see why MS shouldn't be onto it ASAP.
Is the XBL Gold paywall an added hurdle for cloud processing? Obviously to play Crackdown 3 MP you need XBL Gold. But if Cloud processing becomes a single player thing will it require Gold?
MS making excellent use of cloud processing means other platforms will follow suit. Cloud processing can make a creaking PC like mine into at least a moderately good gaming PC. My PC is always online and so is my PS4, so having a game that needs an internet connection on either platform isn't a big deal to me.
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