[door101]

Some would argue that Rust's advantages over C (or other languages) are so great that it constitutes a crucial feature of the software, and that while it doesn't necessarily indicate quality, it makes building quality software substantially easier.

[ahepp]

Then shouldn't there be some observable (better yet, measurable) side effects?

[door101]

True — one can certainly write terrible software in Rust, but in my view, being written in Rust is a notable enough aspect to a project to point it out