Agreed. With 12,000 + policy suggestions to date, collaboration (and the merging of proposals) between authors should be enthusiastically encouraged and supported. How else are we going to develop comprehensive policies with enough widespread support to inspire others, and to motivate our legislators to present them in Congress.
Also, I think we need to begin breaking into distinct coalitions in order to focus more specifically on those priorities we feel most motivated to develop into working policy proposals.
And, through the establishment of said coalitions, we could begin organizing some form of representation for a General Assembly as you mentioned here: