Erm, he wrote an article about how masks don't work. So he knew. See this bunch of links, where they try and back-pedal and say that his previous stance was 'out-dated' - https://www.reuters.com/article/idUSKBN26T2T9/
The assumptions he was making to recommend the stupid practice, was that it would make people take the vax, through a promise of freedom from the discomfort of masks. So, it was a coercive financial decision, not a scientific one.
Erm, he wrote an article about how masks don't work. So he knew.
The assumptions he was making to recommend the stupid practice, was that it would make people take the vax, through a promise of freedom. So, it was a coercive financial decision, not a scientific one.