I have read Dr. Risch's paper, demonstrating without question the studies "debunking" HCQ were not in any way parallel to the way it's supposed to be used.
The reason why the CDC, FDA and the Great Fauchino say it doesn't work boils down to one thing: The Great Fauchino refuses to accept any observational trial data showing it works, and if you'd bother to read Dr. Risch's paper you would see that trial data show overwhelmingly it works.
I read his paper. You haven't. The only logical conclusion anyone can make after reading it is it works if given to vulnerable patients within 5 days of symptom onset. I will take the word of a recognized expert in data collection and study methodology who has studied this far more than anyone at the CDC, the FDA, and certainly the Great Fauchino.