This chart from that KFF study seems to support what Zeynep Tufekci concluded.
Attachment 389435
Also, Zeynep Tufekci is a highly respected science writer. She has regular pieces in both the NYTimes and the Atlantic, as well as columns in Wired and Scientific American.
She authored what I thought was the most interesting article of the entire pandemic:
This Overlooked Variable Is the Key to the Pandemic; It’s not R.
https://www.theatlantic.com/health/a...ndemic/616548/