No, I've used plenty of modern IDEs. In fact I use IntelliJ for writing Scala and most of the features you list are implemented for it too. But, as others point

No, I've used plenty of modern IDEs. In fact I use IntelliJ for writing Scala and most of the features you list are implemented for it too. But, as others pointed out, even if your IDE can generate ungodly amounts of code for you, you will eventually have to read and maintain that monstrosity (i.e., it's not truly 'hidden').