I don't think Google even cares about these things. Its kind of like the usual Google fail of "allowing" spammy link farms to rise in their search results. The

I don't think Google even cares about these things. Its kind of like the usual Google fail of "allowing" spammy link farms to rise in their search results. The problem is algorithmic solutions suck compared to basic human judgement on a lot of things. This happens to be one of those things.