It would help but not fully address the lack of an embedded form.
Something like (in normal size text perhaps italicized):
Your comments on this post are welcome and appreciated! We manage comments using discussions.fedoraproject.org, so please click the link below to leave a reply to this post:
Leave a reply <= (bigger bolder text, ideally a button style)
I’d also suggest the leave a reply link pointing to the start of the comments on the article in discourse rather than the top, bc when youre thinking youll leave a comment and get a differently-formatted version of the article you just read on WP, it’s a bit confusing.