The title is a bit of a troll. A good Scala developer will often be able to write Scala code that outperforms similar Java code. I agree with the gist of it how

The title is a bit of a troll. A good Scala developer will often be able to write Scala code that outperforms similar Java code. I agree with the gist of it however, that the performance is simply comparable and therefore irrelevant to the choice between the two languages.