At this point all our personal interests are to stay virus free as long as possible, given what we don't know might kill us. I really don't care why he's speculating about the things he is. Many of the things we postulate may be proven wrong simply by waiting long enough to get more data - i.e. it's not always necessary to formulate a test for disproving an idea, sometimes they evaporate on their own. (Software features for example frequently meet their ends this way).

I just found out about Covid Toes. What will come tomorrow?

And now, a shameless plug for a next-day delivered PPE from Amazon built from a full faced snorkel, a vacuum filter and a 3D printed adapter I designed: https://3dprint.nih.gov/discover/3dpx-013899. There's a video too, which shows a bit cheaper version's assembly: https://www.youtube.com/watch?v=wydRpFpQD4I

I haven't been into an indoor shared space without it on for almost 3 weeks. You probably shouldn't use Gorilla Tape on it, because it might off gas something. Try surgical tape.