Why the people in Babel did not try to learn each other's language?

Regardless of the historicity of the account, the people who wrote it down, edited it, listened to the story, and edited again, must have realized some people would be confused by the characters simply giving up after they had overcome much more physically demanding hurdles. The authors and the audience must have had this literary sensitivity. This raises the question: _Why was this not adressed? Why was this not commented on? Why did the author of the story of the Tower of Babel did not consider, or did not address, or glossed over the possibility of some of his characters trying to learn the other's language to continue the enterprise?_