Why not spend this effort contributing to Servo, which is also written in Rust? It seems the two projects share similar goals but Servo has a massive headstart.
Starting your own project you can set the agenda and pace and truly create your vision.
The people who want to do the first idea are very different from the group that want to do the second.
That is why, for all its flaws ( and current set of issues ), current attempt at self-organization is simply better in the long run even if it is a little messy.
I've been writing an open source DAW for 25 or more years. Every time I see somebody else working on their own new open source DAW or DAW-adjacent project, I find myself wondering whether it would be a better or worse thing if they put their efforts into our already-existing project.