That is hardly OP's fault, since there is no way to be aware of others' HN reading behavior.
I don't remember assigning fault.
Whether that counts as assigning blame or not, I have not typed those words in the last decade or more.
Let's drop this thread, if he has a problem with me editing it, that's on him to say; I thought you were him considering how deep this got.
Here's the underlying: he responded late, it's his job to refresh, that's not etiquette, it's how the site functions.