He's a clinical psychologist. What you describe is common enough that it is a stereotypical snarky joke -- often made by psychologists themselves -- about people in the field. It is probably true that people are attracted to the field in the first place because they are trying to work things out, and their training reinforces the tendency. A clinician who routinely prescribes drug therapies for patients will be aware of the dangers, but he will also see such treatments as routine courses of action.
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