A 14-yeаr-оld femаle with аnоrexia nervоsa presents to the psychiatric emergency department with a heart rate of 38 bpm, severe electrolyte imbalances (potassium 2.8 mEq/L), and a BMI of 13.2 (77% of expected body weight). She has not eaten solid food in 6 weeks and reports fainting episodes. Her parents are highly motivated and demonstrate excellent engagement capacity. The treatment team is evaluating appropriate treatment options. Which of the following statements BEST explains why Family-Based Therapy (FBT) would NOT be appropriate as the primary treatment modality at this time?