I think this could even be related to the idea of post-open source that Bruce Perens talked about. An organisation which helps its members handle the business-y parts of running large community projects. They could handle funding, legal representation, marketing and any other support that members may want. A large number of members would make it that much more effective as well.
18+ NO, GOD, PLEASE, NO, DON'T!!! (sh.itjust.works)
Will the new judicial ruling in the Vizio lawsuit strengthen the GPL? (blog.tidelift.com)