Earlier quoted context omitted.
Second, it is very much out of the norms of HN to do email-style alternating quote/response the way you are. I've seen such used before (though with italics to help the eye find the breaks), when a comment makes too many points or is too complex to reply to without making it clear which part of the comment is relevant to which part of a reply. Is there a better way to format conversations on HN when comments reach th…
I really think the right way to do it is just to write a natural paragraph that refers to what the parent was saying. But what you did, with a single italicized reference at the top, is an HN idiom as well. A long back-and-forth of quote and rebuttal though is definitely not the style here. That style makes sense in Email and Usenet, because you're often using readers that don't show the parent comment at the same ti…
Anyway, there is nothing in the site guidelines defining "the style here," as you call it. Are you the sole repository of the style here, or are there others?