If you're used to e.g. OCaml, and the problem you're solving does not require avoiding GC, then Rust is a more cumbersome language for no real benefit.
If you've never used an ML family language then Rust might still be a breath of fresh air even if you don't care about memory management.
If you've never used an ML family language then Rust might still be a breath of fresh air even if you don't care about memory management.