An echo chamber sure feels good.
This is what I know - SARS-COV2 is novel and not even highly trained, world renowned infectious diseases experts know how it behaves and how to treat it.
I don't, for a second, believe Youtube has figured that one out.
Now whether you have decided to reject all competing hypothesis to something you have already decided to be the truth so you can move on with your life and be productive in areas you find valuable - that's your call but if I see you foisting your opinions on what kind of content I get to see, that's you infringing on my freedom and we have a problem.