Yes, something like this would be great. If it's a consolation: this kind of problem is present throughout the programming language research community. There's a great paper by Hanenberg on that. It's called "Faith, hope, and love: an essay on software science's neglect of human factors". (OOPSLA 2010) Well worth the read!
thanks for the reference Johan.
Introducing mature slots in a clean easy to understand UI is great.
My problem is with introducing innovation poorly
It can be traits, new API, you name it