You asked: > What systems are we talking about that benefits from Rust? Advanced weapon systems that should absolutely not fail? Controllers for air planes? Tr

You asked: > What systems are we talking about that benefits from Rust? Advanced weapon systems that should absolutely not fail? Controllers for air planes? Traffic controllers? Radar? Power grid? You seem to be listing niche, specialised systems where a failure would be critical. But a simpler answer that is missing: mainstream operating systems — as I said, both Windows and Linux have been investing in Rust. Mainly as a way to increase memory safety.