All we need to do in order to fix every Bitcoin problem is this? Why not ask the creator them self? "Satoshi Nakamoto" clearly mined the first block called 'the genesis block" if we could get Satoshi Nakamoto to send Bitcoin from the genesis block with a public note addressing different Bitcoin dilemmas. This would be proof for the solution, Therefore all Bitcoin problems would be solved. For if you ask, you shall receive...
All we need to do is get Satoshi Nakamotos attention because Satoshi Nakamoto is still here watching their beautiful creation...
The rest is up to you's...?
I see what you are trying to say, but Satoshi doesn't want his really identity to be revealed, that's why he won't be signing any messages as you suggested. This is decentralized project, and I am sure Satoshi believes community will find a solution which the community will eventually do. He doesn't want that a project like this has 1 leader because eventually this weakens the project. He understands that Bitcoin needs hundreds or thousands of leaders and that's why he won't do as you suggested.