Very good information. I understand why “syndrome” is used when it comes to PA. Syndrome, according to Merriam-Webster dictionary is defined as “2: : a set of concurrent things (such as emotions or actions) that usually form an identifiable pattern.”
https://www.wikihow.com/Prove-Parental-Alienation-Syndrome?amp=1
I believe that Dr. Douglas Darnall, Ph.D. was spot on using this term when describing what PA Syndrome is in his book “Divorce Casualties: Protecting Your Children From Parental Alienation”