You may feel commenting on bot use isn't relevant.

I disagree.

The idea behind curation is for good content to be upvoted more than not so good content, and bots break that. He's not even flagging those posts, as is Hive account@heimindanger's bot. He's just pointing it out, which is a valuable contribution to the conversation.

So, it's not spam. It is relevant to the author's work, because the author's aren't potentiating curation, they are breaking it.