I agree that a vision of what a content-based blockchain should be is essential, and I think you outlined a lot of items that are ways to bridge the gap of long term rewards, but I do not think you can reach a broad long-term vision for hive without structural changes. Like you I’ve worked out more of a response than I’d like to throw in a comment, so I’ll link it:
@bilbo/copyright-blockchain-money-and-the-mainstream-creators