Yeah that was most of my Saturday morning gone reading through that. Had been looking for an accessible, nuanced overview of what we know about aerosols for quite a while so I'm glad it exists.
I also love the smoke analogy. Can we do a 'flatten the curve' esque boost of that mental model? If only so I have an easier time convincing my mom that no, a plastic screen in front of her face isn't going to do much.