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I think it would lose its uniqueness. Although it has had mass abuses, eg university student newspaper sites, alot actually, in most cases reputable sites are where they belong.
I thank to google that they have saved many webmasters from associating alot of scraper sites with their schemes by warning them with certain types of pagerank 0 or grey barred , as well sites that were in bad neighbourhoods, it has helped alot of people so i dont know why people want it off so much.