I came across this via https://metafilter.com/209800/Substacks-David-Irving-Problem https://metafilter.com/209800/Substacks-David-Irving-Problem but am repostin

I came across this via https://metafilter.com/209800/Substacks-David-Irving-Problem https://metafilter.com/209800/Substacks-David-Irving-Problem but am reposting, despite the fact that "the internet is five giant websites, each filled with screenshots of text from the other four" because HN comments usually are more interesting than those on metafilter.