On the r/thesopranos subreddit, u/jdizzler432 speculated on the reasoning behind the character in a thread they created. "I've always thought it a little odd she was not introduced/discussed more," the user observed. "The Sopranos childhood was such a treasure chest of dysfunction and weirdness, it would be very insightful to learn more about the third sibling."
Though Barbara does appear in 15 episodes of "The Sopranos" (via IMDb), she is rarely given the sort of depth of exploration given to other members of the family, like Livia Soprano (Nancy Marchand) or Corrado "Junior" Soprano (Dominic Chianese). Naturally, this leads to many questions regarding the character and her place in the series. Some users seemed to think this dynamic was deliberate. "I always thought it added a layer of realism to the Soprano family that one sibling just moved away and turned out normal (as far as we know)," observed u/smeppel in the top comment.
Another top comment praised Barbara for removing herself from the toxic family. "There are people that say you are a product of an abusive childhood, there was no way out, you were doomed to perpetuate the cycle of violence, you couldn't help it etc. She proves the opposite," said u/clarencebobdickered. Many other users were more than happy to use the thread as an opportunity to quote the iconic dialogue of the show. Either way, while not everyone seemingly agrees about Barbara's purpose on "The Sopranos" or what the writers intended to say with her character, she certainly does provoke plenty of discussion among fans.