The thread he referred to wasn't actually one I started. I made one comment in it. dang stated that "I'll try to give you more of a response later when I have time", but this never eventuated.
Incidentally, it was a very difficult time of my life, so I was genuinely reaching out to find out what I had done. His responses didn't help. I don't intend to comment further.
Edit: redacted a small part of this comment. It's unlikely to have been helpful, and it's unlikely the one I'm responding to would care.
Not sure how the veracity of my description of the thread (that’s some tortuous indirect speech!) is inaccurate.