More specifically, I think it's needed to be efficient. Sure you can get things done in some other languages and become good at it, but being used to read sour

More specifically, I think it's needed to be efficient. Sure you can get things done in some other languages and become good at it, but being used to read source code written for an english speaking audience, read english docs and browse english Q&A sites and forums makes a huge difference from my own experience.