I went to your link and read parts of the constitution.
Early on in this TDG project, I figured out that the early builders should not get into issues of the day as division would be the most likely result. Such division would mean too many members dropping out.
But the TDGers still needed something to do. So I let them write their own local TDG constitution. In this way, they learn and practice the necessary skills for TDG governance. As these skills are enhanced, then they might want to get into issues of the day.
Other than four salient features of the TDG, I let each TDG design itself:
https://medium.com/tiered-democratic-governance/four-salient-features-of-the-tdg-13b9608028d1
A local constitution will not be written by a lone TDGer. The early builders will have to collaborate to make this document. As the TDGs merge, more collaboration is required. Anything coming from mostly individual effort should be cast aside.
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There may be structures in future TDGs that I cannot see. As long as the four salient features are met, I should have no problem.
But allowing the members to vote for the top tier will eventually bring in the circus-like atmosphere we currently have.
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For 30 years, I have belonged to my local credit union. Once a year, our membership would elect a board of directors. Most of the time, the managers of the credit union prepared a slate, and that slate was rubberstamped in.
But what did our local directors really know about running a bank? Could they really provide proper oversight to the managers?
Local credit unions have been merging for the last 15 years. My first credit union was with my town, maybe we had 3,000 members. Now it encompasses southern Alberta, including the city of Calgary. North and South Alberta are set to merge soon.
I really have no idea how this bigger credit union is managed. I have not been asked to vote. It seems to be running well. I do not have the resources to investigate much further.
The point: rank-and-file members are often not the best people to find the better leadership.
But the rank-and-file members can find people of good character and capacity for governance. From that is where the organization will find the leadership.