Little help with semantics here.

Many of those comments are absolutely fine, and some aren’t friendly but are allowed. I’ve read most of your participation in the thread and I’m not going to be swayed by a list of quotes that includes everything you object to with no discussion of your own behavior, which was rather obnoxious in some places:

So that’s why I say you were giving as good as you got, if not moreso.

I saw, yes. Your comment took that to a level that is not acceptable in GD.

There’s no rule against this, but is it necessary to question his motivation this way?

You’ve been here two weeks. Read some threads and you’ll figure it out. Meanwhile stick discussing arguments and not the people who are arguing (or their reasons for making those arguments) and you will do fine. If you do that it is very difficult to get warned.