That is a single person. Have those been peer reviewed and scrutinized by the wider medical community?

If you open the study, you'll see there are open-labeled non-randomized trials he is referencing.

It's been a handful of months since COVID-19 grasped the globe. Too early to take things as gospel. As we are finding out in this thread, these types of studies are open to bias and rife with mistakes or misinterpretations. If we are to take the desired lesson from this thread, it's that data surrounding these medical journals need to be highly scrutinized before we can take them in as evidence.