Read the authors argument why they don't use Kotlin, a better language is not always nicer, especially when you risk being left behind. That is the reason why

Read the authors argument why they don't use Kotlin, a better language is not always nicer, especially when you risk being left behind. That is the reason why I don't touch C#. Java has a massive community and a community that shares knowledge. This is what makes Java the greatest tool for any business.