Tbh i would be more interested in seeing if they explored difficulties getting help and long waiting lists that make peoples mental health worsen and the help offered being useless or very uncaring in some cases. just personal experience and many people i know have had CAMHS especially be absolutely crap. I understand they dont want to see to be criticising the NHS (Im not against them at all but it's undeniable mental health care isn't sufficient)CAMHS services do have waiting lists and cases are prioritised based on the severity of the need.
It was surprising that the therapist didn't want to interview Amy without her parents in the room. Amy needs to be able to talk to someone without her dad hanging over her.