Right. Also, when it comes to the other aspects of TLS, such as preventing middlemen from making sense of what information flows between you and the server, what exactly is the threat in this case? I mean, it's a public blog post, which you only ask to read and so you are served.
It's not about threat, it's about privacy. I understand your statements but 'what is the threat in this case' to answer that: I don't want to know, I've moved on from those worries. Always encrypt.
What privacy? Whoever is watching your traffic can see you accessed their website with HTTPS, they can guess with high accuracy which article you are reading based on the response size.