The article may have been hosted at rust-lang.org but it was written by people at npm which is very much a JavaScript boosting organization.

Rust definitely has some benefits as well as tradeoffs when compared to JavaScript which they discuss. Learning curve is higher but the end product is probably devoid of a number of errors and operational issues over the lifetime of the service. While in theory possible to get similar results with JavaScript the level of consistent discipline it requires is in practice impossible.

These are facts not opinions.