"But, Raymond doesn't stop there. He believes that the
GPL causes FUD (fear, uncertainty, and doubt) and that, in turn,
this "slows down open-source adoption."
"Really? The GPL is the most important of the open-source
licenses. Linux is under the GPLv2 and Matt Asay, well-known
open-source blogger and VP of business development for Alfresco, an
open-source CMS (content management system) company, states that
"the GPL powers as much as 77% of all SourceForge projects.""