This hardly matters for a SEO promoting using White Hat techniques. Also getting your post on Wikipedia is more difficult than getting 100 backlinks with PR 2-3.
SEOs would spend the same amount of effort building backlinks through article submissions/Pr submissions and persuading webmasters to post a link on their site than spend the effort in creating wikipedia posts.
You find their reasons here, this would hopefully be easier for people to post genuine articles on en.wikipedia.org
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installing no follow is one good thing wikipedia has done… also think that it is not easy to create articles in wikipedia
Article Submissions is quite tiring sometimes because of the effort that you have to put in it.”:*
article submissions are really necessary to make your product known to the masses.`:,
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i do a lot of article submissions in a week or two and i hire some writers from india and other countries to do my stuf :`*