Summary of the approach (p10): "1) Public curation mechanisms for quality; 2) Transparency, telling users exactly how the information originated; 3) Open data access to metadata, giving users the exact date source of the information; 4) Protected user privacy, with their searching protected by strict privacy controls; 5) No advertising, which assures the free flow of information and a complete separation from commerc…
I'm pretty sure that the spammer argument is just an excuse used by Google to allow them to keep their business practices out of public scrutiny. Google search results are biased in favour of content produced by those who have money and power. Google ranks everything based on popularity - Not based on quality. Popularity and quality are two independent concepts and not necessarily related. That's something which Wiki…
Google does take plenty of quality features into account[1]. PageRank is one of course, but that isn't some corporate conspiracy, it's that it is a good feature.