We should optimize for those who have mastered the language, because that is where each of us will spend most of his career. Helping newcomers is nice if it doe

We should optimize for those who have mastered the language, because that is where each of us will spend most of his career. Helping newcomers is nice if it doesn’t come at the expense of the majority. The top of the learning curve is the point where the language no longer has any help to offer, and that should be as high as feasible.