Not as good as physically meeting but could make for more of a connection between people than text.
You're right bestintentions, written communication is the weakest form of communication since we don't get the body language, facial expressions and tone of voice that are most of the communication between people. An upside to that here is we can express ourselves safely and anonymously without needing to consider how what we say will be received as much, and removing that social component is freeing, plus we've all been there so the feedback we do get can be especially useful.
Many of us have found that a combination of sites like this, personal therapy or counseling, and the building of real-world relationships locally can be effective as we detach from a borderline and create and empowered future. I encourage you to dive in and tell us how your detachment is going; what's going on for you today?