” someone else reading your comments may think that there is not proven -even anecdotally- that it works. Which is not true, because Hydroxychloroquine has been shown to help prevent at risk patients from ending up in the hospital.”
No, it has NOT been proven that it works at all. And it is known to have serious potential for harm. Until the larger clinical trials are completed we do not have evidence that it is efficacious. (And most of the smaller studies that have reported findings so far do not show cause for optimism.