One definition to me of abandonment is of being shut down. If I share and open up .. even somewhat...and a therapist or other gives a reductive reply, this is a form of abandonment of my feelings. JMO.

It’s perhaps a bit like a baby learning to speak? Or walk? If the maternal unit tells the baby “I’ve replied to this before” ...

Or ...”I don’t know” (with no effort to find any sort of answer..)

Or... “you need to run faster. You aren’t worth the time of learning how to walk first...”