There are few folks here that could be very very helpful. I am thinking of @tulo, @Sukrim, @Graine, @Quadear, @yxxyun, etc.
We need a financial incentive for those who will spend time working on that. For sure.
Tulo is right and has mentioned in another thread, the difficulty is also the maintenance of the code.
We would need a key and well-known sponsor/ figure within the XRP tech ecosystem too...
But the real question is do we think that the current application of the ledger is solving a real and painful problem as is. For instance, do we think that Xumm, which is the modern translation / version of the original intention, can succeed and scale? Are people using it? What's the traction? Etc.
Another cool idea I have in mind is a copy paste of the sablier project https://sablier.finance/ (built on top of ETH).
It is basically a protocol designed to stream cash in real time. Let's imagine getting your payroll every sec, instead of every week or month depending on the country where you live. That's cool. XRPL is so fast and cheap that the use case for streaming money is quite obvious. Coil is actually a good example of that. If you are a member of Coil, go to Bithomb and see the cash coming real time for the content creator.
Anyway, just an idea.