She probably had no authority to do anything about it. Delay, deny, defend…she’s part of deny/defend. She’s there to tell you that you were rejected, not to explain why or appeal. If a doctor calls, they’ll go into “you didn’t submit X step of paperwork declaring the patient has Y, and so even though you noted it elsewhere we’re denying”

Going off script risks her job, and for what? By design, she can do nothing to actually help