I thought so at first too, but if you look at the link they included [1] it seem...

		sixthlime on May 17, 2024 \| parent \| context \| favorite \| on: The case against dual axis charts (and what to use... I thought so at first too, but if you look at the link they included [1] it seems like it can actually be quite clear for some datasets [1] https://archive.nytimes.com/www.nytimes.com/imagepages/2010/...