Ghosting aka NC seems to be in my experience detaching, the only communication my BPDx has ever understood. My silence speaks to her in ways my presence never could. Why do you think that is? Is it all about the lack of attention that NC gives them which triggers their fear of abandonment?
A desire to provide explanation and motive/rationale, is often tied to our
own desire to alleviate guilt... .and probably shame.
Disordered people typically interpret any such communication as shaming to
them. They cannot hold themselves accountable. We typically don't grasp that reality until we are well into recovery however - when we have enough distance (and stability) to gain some level of clarity and perspective.
Because of this, I think all forms of NC eventually end up in
a form of Ghosting. (To a pwBPD, the Non is always the one who abandoned them first - regardless of our reality)
I think this is a great post and probably a safer way of detaching/self preservation:
https://bpdfamily.com/message_board/index.php?topic=281522.0