What does that has to be with the initial question: how to properly manage a product roadmap? A roadmap is not a meeting or a prioritization process, it is a do

What does that has to be with the initial question: how to properly manage a product roadmap? A roadmap is not a meeting or a prioritization process, it is a document that states what is going to be done during a long period of time. I don't agree with the "no room part". It seems you don't work as PM but more like a mayordomo like job.