This lancet study was just released today and has the largest N of any observational study to date. Those institutions are guided by poor science and even poorer decision makers.
The answer is very straightforward: no country, hospital or doctor has anything proven in their arsenal against COVID-19. They are literally shooting into the dark. Only now are they looking into whether HCQ has a positive/negative effect.
Quite honestly, I don’t understand why this ongoing HCQ argument is a thing.