Get to choose between Java, Scala, Kotlin, Clojure, C#, F#, JIT, JIT cache with cloud compilers, or plain AOT deployments.
Never had the need to go low level control that Rust provides for the last 25 years, and I have been writing backend applications since when the options used to be C or C++, maybe with a little bit of Perl as well.
Go just feels it belongs to the 20th century in language features.