The "science" of mask wearing is plagued by redundant and irrelevant abstract mathematical concepts. A mask is a membrane (not perfect, of course) and this is

The "science" of mask wearing is plagued by redundant and irrelevant abstract mathematical concepts. A mask is a membrane (not perfect, of course) and this is how it must be properly modelled. It is that simple - just use proper (right) abstractions. All the sophisticated statistical extrapolations is just flawed bullshit.