For those who aren't aware, this blog is infamous for sloppy work. https://www.lesswrong.com/posts/7iAABhWpcGeP5e6SB/it-s-proba...
I don't think we should dismiss things based purely on the source, but caution seems warranted (as always, I suppose.)
See, for example, this page https://manifold.markets/Natalia/how-many-of-these-falsemisl... for an incomplete list. I have been trying to get them to remove falsehoods from their blog for over one year, but it's impossible.
That was prescient: https://news.ycombinator.com/item?id=36854850