And not all components of a discussion/conversation/debate have to be "arguments" as you put it. Ironic how your comment is the one that didn't actually add anything to the conversation/topic I was having with that other guy.
HN has a particular culture; it would do you well to learn it. Arguments are encouraged, contentless posts are discouraged in every case. My post to you was to explain my downvote--also part of the HN culture.
It is; or, at least, there is no more important end.