There's a lot of difference between preventing a student shouting down a professor in class with some crap argument and the college telling the student they're

There's a lot of difference between preventing a student shouting down a professor in class with some crap argument and the college telling the student they're not allowed to quietly discuss an "unfounded hypothesis" in some corner with another student. The beauty (theoretically) of platforms like YouTube is that we can watch what we like and skip what we don't without harming any other user. And as for qualifications, if an oncologist isn't qualified to have an opinion on COVID-19, YouTube sure as hell isn't.