- safety is not binary. Some security guarantee are still better than none. (And most security guarantees of Rust still holds in the kernel) - Rust is at this

- safety is not binary. Some security guarantee are still better than none. (And most security guarantees of Rust still holds in the kernel) - Rust is at this moment more mature and stable than Zig or Nim with a more broad ecosystem. I don't know much about Ada but I think there are some technical issues there.