> seeing that a piece of terminal kit is written in Rust gives me a quite high Bayesian prior on the quality and usefulness of the tool.

I maintain clap, the most common CLI parser for Rust. When soliciting feedback on changing some of the `--help` formatting, a piece of a feedback I got from a couple of people was some of the distinctive look told the reader it was written in Rust and using clap and "that means a certain baseline of quality and behaviour".