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Well, it's hard to say, but let's not underestimate or joke about this. Everyone (in the know) has been worried about whether or not Google will "be evil" with all its data. Don't underestimate what people can predict with their data either --- your voting preference is a cinch, for example. But this story points out that it's not just about anything google does to guarantee its own ethics. Unless the courts and the company can stand up to an onslaught from the government, then Google doesn't get the final say on who sees your data. And if Google ever go bankrupt, anyone can buy their data as an asset. They have got to figure out how to permanently anonymize it when they collect it, or it has got to go.
Jaibe