I think you shouldn't criticize the single blog post in vacuum. If the blog is a personal collection of "today I've learned" then different standards apply the

I think you shouldn't criticize the single blog post in vacuum. If the blog is a personal collection of "today I've learned" then different standards apply then "my blog is my research publishing platform". Both are valid blogs. The fact that it ended on HN front page didn't mean it was targeted towards this audience