FWIW this is an analysis of the rhetoric, not the science. As such, I think it's pretty accurate. It's like noting that with Rush Limbaugh advertising you get

FWIW this is an analysis of the rhetoric, not the science. As such, I think it's pretty accurate. It's like noting that with Rush Limbaugh advertising you get appeals to what he personally does or enjoys using, whereas on NPR advertising you get vague references to strange sounding companies.... you don't need to know about dietary supplements or supply chain management to understand the rhetorical distinctions.