Rust isn't 'delivering value', people are just drinking the koolaid. CL has its niches, and it still fills them well: it's never been that successful as a general-purpose language.
It's a toy. Cool project, but it's a replacement for something that already exists and does its job well. All it demonstrates is "we micro-optimized our libraries more than GNU". It doesn't say anything about the advantages of Rust itself.
Citation needed.
Or, what can be asserted without evidence can be dismissed by pointing to ripgrep.