I'm confused because it seems like you're actually agreeing with the person you're replying to. Namely that improper administration of a drug by a "doctor [who

I'm confused because it seems like you're actually agreeing with the person you're replying to. Namely that improper administration of a drug by a "doctor [who doesn't] care for ... well-being" is an issue. Logically, that doesn't say anything about the appropriateness of the drug for others. Eg. You wouldn't say people shouldn't ever use opiates in hospital settings because opiates are abused elsewhere.