How does Google treat sites where all external links are no-follow?

How does Google treat sites where all external links are no-follow? I understand the purpose of no-follow is for webmasters to indicate which links are paid, but when sites like Wikipedia make EVERY outbound link no-follow, that defeats the purpose. John T, Denver Russian subtitles translated by Mike Shakin. Have a question? Ask it in our Webmaster Help Forum: www.google.com Want your question to be answered on a video like this? Follow us on Twitter and look for an announcement when we take new questions: twitter.com More videos: www.youtube.com Webmaster Central Blog: googlewebmastercentral.blogspot.com Webmaster Central: www.google.com