This is why attachment "disorders" are considered along a spectrum. Yes, initial "shitty bonding" e.g. insecure attachment with your mother or father can be

This is why attachment "disorders" are considered along a spectrum. Yes, initial "shitty bonding" e.g. insecure attachment with your mother or father can be overcome, it could be a grandparent, uncle or someone else who provides the attachment you need. And what we are talking about really is stable emotional co-regulation. That's the whole point of the article and modern attachment theory based therapy as far as I understand it.