No. It actually is not. A retrospective study of mortality is a VERY legit medical question. Thousands of papers are published. We have a “tailor made” retrospective study of mortality that could be done form the 2,000 cases of seriously ill and dead. You can’t tell me none of them were on Plaquenil a month ago. What has happened to them is a very legit question to ask and the answer can be known in milliseconds.
Okay, it’s a legitimate question, but only for academic purposes.
Your question has no legitimacy in the discussion of whether to use this medication to treat coronavirus.
Potential benefit is saving the patient’s life. Potential risk is diarrhea and nausea.
Potential benefits outweigh potential risks.
Risk of not taking it is rapid death from respiratory distress.