..is the best choice because it was built from the ground up for the Java Platform and uses syntax that is familiar to Java developers..
The point of adding Groovy as an "officially" supported language for the JVM would be to allow programmers to think and do things differently than they can with the Java language. If the language is so semantically different, why struggle to make it syntactically similar? Why not let a different thing actually look different?
It’s good to be uncomfortable on occasion. It shows you that you’re growing.