Here's a concrete example of where the proposed moderation model for channels:

1. More control over the main feed algo

2. Includes the existing concept of hosts

3. Expands the pool based on simple (hold an asset) and advanced (recipient of a successful Nouns proposal) onchain criteria 

4. Less work :)

Will onchain criteria be completely open?

Whatever your channel bot wants to do. :)

so the programability/flexibility is achieved by custom bot controlling an FID that's been assigned ability to be a curator for the channel?