Here's what people are pushing back with on COVID-19 treatment being touted by Raoult. I actually have one acquaintance of mine that does their own research. Granted, they come up with lots of crap, but this is the big one for his anti-HCQ push:

https://www.opensecrets.org/news/2020/04/dark-money-groups-pushed-trump-to-back-hydroxychloroquine/