There was an old HN post.. asking a question.. and sure, 4 years later, there's an answer, not surprising. https://plugable.com/products/tbt4-hub3c
But if you can't comment on a post... maybe google should stop surfacing it??
Back when I was interested in "aggressive content syndication" I would analyze what competitors did to get top rankings and I'd often find that there was a newspaper in a small town in Pennsylvania that had nobody minding the store and somebody had filled up all the comments with drivel about where to buy World of Warcraft gold.