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I agree, valuing G+ stuff into search results is really dangerous.
But the thing I like about G+ is the privacy and social tools/interface. It's very easy to group people and share stuff with just specific people. And it's clear in that regard. Facebook is a mess in this area and aims to make everything public. And their fame of changing privacy settings each 6 months or less does not help either. *edit: AND being able to select what timeline/wall you want to see. Filters a LOT of the noise.