You put it much better then I could. I feel the entire article was just linkbait. Scala and Java could be replaced with .Net 3.5 and .Net 4.0. Or C++ and F#.

You put it much better then I could. I feel the entire article was just linkbait. Scala and Java could be replaced with .Net 3.5 and .Net 4.0. Or C++ and F#. Or any other language pair. And it would still be sorta right, maybe, if you assume your programmers are just average, not-overly talented developers, who don't know how to compartmentalize code.