Maybe I'm missing something, but this person doesn't appear to be an epistemologist or even any kind of trained philosopher. I'm not sure why he thinks that any

Maybe I'm missing something, but this person doesn't appear to be an epistemologist or even any kind of trained philosopher. I'm not sure why he thinks that any of us should listen to the advice about who we should listen to the advice about covid-19 from someone who isn't an expert in a relevant field.