What might be a potential harm from a diagnosis?

Learning Goal: I’m working on a other writing question and need a sample draft to help me learn.
Objective: Reflect on the interview process. Mental health
Identify a diagnosis from any category that makes you personally feel uncomfortable. Explore where these feelings come from and how you might go about working with a client who has this diagnosis.
Consider how a mental health diagnosis could be beneficial to a client. What might be a potential harm from a diagnosis?