thanks for your feedback. Just as a short feedback.
I'm totally with you, that we should focus on the TYPO3 (end) Customer, but that is the main idea of the new Roadmap.
What I wanted to show, is the possibility for * (Core-)Developers
* Project Managers
* Users, writers, linguists …
supporting to reach the goals of the roadmap.
When talking about "car seats" it's the same. Of course, they are part of the car, and it's totally fine if another manufacture build the seat, but they should fit to the car.
So the general idea for the care (here the Roadmap) should be communicated also to the manufacture to provide the best seat.