Another excellent article on dithering: https://news.ycombinator.com/item?id=25633483
Best HN chat for this ever-popular article: https://news.ycombinator.com/item?id=25633483
Pretty nice discussion over here too, for the same article, two years ago: https://news.ycombinator.com/item?id=25633483 (2021)
(Pointing this out/linking in best faith for references)
Another excellent article on dithering: https://news.ycombinator.com/item?id=25633483