The author focuses on the removal of features from Java, like generics and method overloading (!). His polemics about complex features ("Scala [...] quickly bit

The author focuses on the removal of features from Java, like generics and method overloading (!). His polemics about complex features ("Scala [...] quickly bites your head off") are unnecessary. But from a hacker's point of view, Java is not expressive enough. Do we need to accept a dumber mainstream language for "the masses", or can we advance the state of the art by moving most developers to more expressive languages?