Isn't that exactly where you would need Rust the most, to prevent new devs from doing damage? Presumably one is going to make mistakes on an unfamiliar codebas

Isn't that exactly where you would need Rust the most, to prevent new devs from doing damage? Presumably one is going to make mistakes on an unfamiliar codebase, so they would want strong correctness guarantees to help them, especially if the codebase was full of footguns and undocumented nonsense.