Questions about the language of work promote the language in an economic perspective. It is important to fully understand that a language develops and grows over the long term if it thrives economically. If this economic growth can’t occur, the language becomes an object of communication, ethnicity and culture, but it does not have this weight because it isn’t economically profitable. That’s why the concept of the language of work becomes a tool in this context to give a more formal value to speaking a given language in a minority environment.
On March 12th, 2015. See this statement in context.