Hi
I know you have proposed changing the author/curator split before, as the first step in changing the economical model here on Steemit.  I think you have the knowledge and/or connections to people who could execute my proposed solution to this problem, so I hope you don’t mind me sharing it with you here.

I think solution to this issue, at least a theoretic one, can be accomplished by using partially existing infrastructure and rules, and  also taking advantage of an existing capability in Steemit code, which would allow people to choose to change this split themselves.

After I read this post, I studied some of  the existing graphic interfaces and I found that some of the existing sharing features on Steem-plus and some other graphic user interfaces on other platforms  allow people to change the sharing of rewards on their specific posts to 50/50 percentage of the authors rewards with a single named beneficiary. 
Since the number of beneficiaries and the way the term beneficiaries is defined is written into the code underlying the graphic user interface, it is in theory possible to redefine  beneficiary in other terms, such as beneficiary equals user who comments on my post or beneficiary equals user who upvotes my post. After that the code would define the math formula or algorithm which determines the amount paid to this newly defined “beneficiary”. Most developers would use the existing  code found in the Git Hub library for this algorithm and not rewrite that portion of the code. 
I would suggest incentivizing a developer with JavaScript JS experience to write a code modifying one of these interfaces. 
In fact, it would be interesting to find out if a developer has already worked on some code to achieve this goal, i.e. a way to change the author/curator split and the code is stored on someone’s Github site.
The final pice of such a code would connect to Steemconnect similarly as we do now when defining interactions between our Posting authority and the Steem Blockchain and especiallywhen defining interactions between our wallet and the Steem Blockchain.

I think that in theory this could be done, and it would not require special permissions from Steemit, inc, as it requires only user granted permissions to change the split for an individual user.  

I hope I have summarized the problem correctly and explained my proposal clearly. If not please contact me.
@shortsegments