Originally Posted by islandflyer

I agree with you. But because drone flying brings such different issues and concerns as compared to model aviation, it really deserves its own CBO. Only the drone users can fully understand and address their concerns and challenges.
Similarly, motorcycle clubs/associations, trucker associations, and automobile associations all share the same roads, but have their own respective groups and associations.
In all of these there may be some members who belong to more than one association, but each is best equipped to represent its own group of members, and respond to their respective concerns.