It looks like these are mostly dupes getting killed, with a second principal component of 404 Media stories that are chiefly political.

For posterity

I'm wrong about this! 'chaps is right.

Dang responded saying, "That site is behind a signup wall, or at least mostly has been, without any consistent workaround. That makes them off topic for HN per https://news.ycombinator.com/newsfaq.html. See also https://news.ycombinator.com/item?id=10178989 and https://hn.algolia.com/?dateRange=all&page=0&prefix=false&so...."

Seems to be outdated info, since archive.ph works just fine in the same way that it works with WSJ, etc: https://archive.ph/CfALb