Rust is an interesting language both for its technical characteristics, which is a direct appeal as other commenters have noted, but it can also be worth noting because Rust interoperates almost as well as C. If I announce a cool Python module, someone who primarily uses Ruby is probably going to ignore it because the level of effort to use it would be more than it's worth. If I announce a cool Rust module, they might think “you know, it's pretty easy to build a wrapper…”.