stschaef‘S comment was on topic and a critique (albeit sharp) of the work.
replyYour comment is a personal attack though, and much closer to bullying.
FWIW the author can and has spoken for themselves and noted the comment was “reasonable”.
In my culture it was ad personam, not even trying, and it’s fantastic that it’s been pointed out in a respectful way and reacted to with calm by all participants.
replyThe author was very polite to even reply at all.