Firstly, the staff do not have any way of updating the game right now; FH's creator abandoned the game and took the source code (way of updating) with him
As for your idea, it would make it clear as to who is talking at any given moment, but in my opinion it would be more of a hassle because many chat bubbles would take up a large portion of the screen (like, imagine seeing all those chat bubbles in Bonfire during the rush hour? Your screen would be bombarded). Plus, there's nothing wrong with sitting by someone and having your character look at theirs, is there? c: