I thought that the video showed a more understanding to help us heal ourselves. It repeats that it is NOT OUR FAULTS AND IT IS NOT PERSONAL. That can help heal the hurt and pain we've experienced from the extreme idolization and the abusive blame or sudden abandonment.
I don't think the video is meant to say we must put up with the BPD or stay with them. In fact it is just showing that having compassion for them and their condition is healing for us. But that doesn't mean we should remain in the relationship with them.
I still found the video helpful in my own healing after remaining in NC with my xuBPDh.
That's good! That is what it should do so you realize their was nothing you can do.
For me I think originally it kept me feeling sorry for him, he really loved me and I could help him with the right love. I do not feel that way anymore.