Also true for large coding projects. At some point, you have to identify the components that will need to be built and portion them off into approachable tasks.

Also true for large coding projects. At some point, you have to identify the components that will need to be built and portion them off into approachable tasks. In this case, the first task is agreeing on the 'heretofore unsolved problem' -- that hasn't happened yet. Discerning invested participants from trolls might help.