Even through it has some flaws, e.g. it’s not fully memory safe (there are some programming languages that are even safer, like Ada)?
Corporate wants people to port their COBOL code into Java 8.
Most of them have decided on a tech tech a decade ago and they’re not going to change anything about it unless they absolutely have to, whether that’s Java or C# or Python or Ruby…
Rust is gaining traction, but mostly for new projects or big revamps, and there’s a lot more shitty old code to maintain than there are opportunities to develop anything new. Besides, most companies don’t need Rust (or C or C++ for that matter), JVM/.NET/NodeJS/Go is fast enough for even intense corporate workloads and doesn’t require people to put in the effort to make everything perfectly sound.