I didn’t read the lead-up, but your response seems reasonable.
I guess the main issue is why the moderator in question took the time to weigh in, but not to actually explain what the hell he wanted from the participants.
At the bottom of page 10, post #500, I wrote this:
(emphasis added)
I assume JC’s mod note was in reference to that, and perhaps he hadn’t seen the posts on page #11 yet, but he can weigh in here and clarify if he feels so inclined