I built something like this but it didn't get users. Replying to an author for the valuable info they posted would pay the author and it also accepted public payments.

An AI or search engine that identified the value of a contribution and paid the author directly from advertising money based on query traffic could be a way to solve this.

I can imagine that adoption was hard to achieve gradually. I figure you'd need a bunch of universities to get together and all at once say to the publishers:

> The only way we'll pay you ever again is through {the protocol}, deal with it.

If people just sought out and participated in better incentive alignment under the expectation that things would be better if only everybody did so... Well then things would already be better and we wouldn't be dreaming these dreams in the first place.