I agree with it, but I have to say: If they don't matter and you like Scala or Clojure or Ruby and you enjoy writing code in that language and you get stuff do

I agree with it, but I have to say: If they don't matter and you like Scala or Clojure or Ruby and you enjoy writing code in that language and you get stuff done, over anything else, then at least there's no real reason not to.