Isn't it a little bit early?

I have distinct feeling this would benefit from waiting a little bit more to have various kinks straightened out.

In what way? Rust seems to be proving itself as a reliable mainstay in systems development

https://github.com/rust-lang/rust

The git repo has over 150,000 commits, 3,000 contributors, and 9 years of release history. The last 6 years of which have been post 1.0.

Also, Mozilla has been writing large parts of firefox in Rust since ~2017. There's some interesting writeups on hacks.mozilla, including this one on reducing CVEs with Rust

https://hacks.mozilla.org/2019/02/rewriting-a-browser-compon... https://research.mozilla.org/rust/