When you ask for governance , Democracy is the most accepted form of governance and tribe should have the same but as we can make multiple accounts so these "fake votes" make challenge to run a democratic system.
We need to find a way between POS and "democratic" vote system for governance.
I am not a huge fan of purely 'democratic' governance. Democracy just means the majority faction can oppress all minority factions and feel 'justified' in doing so.
The beauty about Layer 2 tribes is that you can readily create your own tribe with its own governance system. I am currently fleshing out a new governance 'system' (with the help of a few others) that we are tentatively calling "Proof of Stewardship". We will share more about it when we have more to share.