I believe that is one of the points the author of the article is trying to make: that the data scientists ought to be able to work in whatever language lets the

I believe that is one of the points the author of the article is trying to make: that the data scientists ought to be able to work in whatever language lets them develop the model most quickly and then hand it over to a software developer to make it work well in code, so that each can focus on doing what they do best and both aspects can be done very well.