Legal drugs should not be advertised either. Drugs or other treatments should be prescribed by a doctor based on a review of the actual symptoms and side effects to the patient. A drug advertisement will generally tell you the key words to tell the doctor and may be missing other factors.

I have symptoms C, L and Q. What treatment plan will be best. Vs. I want drug X because I have symptoms X Y and Z.

That said, I read the OC as a protest to Spotify and their predatory practices in general.