Validating helps you understand their experience and shows you care. You can validate her experience and still be "right" about whatever you want to be
What is more important, "Being Right" or improving your relationship with D? It is about relating to the other persons experience.
Wolf, I can relate to the parental alienation. Definitely at different levels. The hate campaign my ex wife had for me does not stack up the the hate campaign your X has for you.
Thankfully it sounds like you are shining a light on it and professionals are seeing it.
"What is best for my kids is best for me" Amor Fati Link to quotes: https://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2879712