Who are you to decide what style the author should use? It’s consistent, entertaining, and well-written. It’s on their personal blog. If an author can’t choose for themselves a writing style on their personal blog, where can they?
Or, to put it another way: “there is a time and place to demand dry technical writing and I don’t think, this reader went to the right place.”
Or, to put it another way: “there is a time and place to demand dry technical writing and I don’t think, this reader went to the right place.”