Kotlin brings few very clear improvements to Java, while Scala is a completely different language. There is no single "make it better" that would work for both.

> Hopefully Java will get more functional so that we don't get a too fragmented community.

Java did so much harm to programming community, it basically destroyed reputation of strong static typing as something considered "fun". Maybe it's time to move on, to split into better, more modern, elegant and expressive languages.