Obviously, statistics applied to something subjective is tricky, but he's using the Rolling Stone Top 500 Albums of All Time list (not sure which one, since there have been a few) and Billboard charts to make his analysis, and it's certainly interesting, to say the least.

Here's the chart answering the article's question, but obviously, it's worth reading the piece (which includes charts about underappreciated genres as well as high-charting acts that were snubbed by Rolling Stone. https://substackcdn.com/image/fetch/f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fbc15d57a-be0e-4d48-8ec2-da8286a26530_1772x1414.png