A constitution would be a good start.
The splitting of power is an interesting concept. More voting, more distribution, more fingers on more mouses... good idea.
Downvotes are tricky, they suck until the situation arises when you need to downvote. Gaming the system would be much easier without the treat of a downvote.
Thank you @allcapsonexero,
I think within such a short time POB grew to a great community with value to the blockchain. This is hard for anyone one community representative to keep up with. Yes, more clicks and more support to a larger audience and probably more versatile.
Downvotes are tricky and I'm not sure about that myself. I think POB could clear spam with the Hive downvote if or when the occasion comes.