Can feedback be left based on a forum comment?

I received negative feedback from a user with whom I've never had any trade dealings with. At first I didn't even know what it was about, since the only comment is "Total jerk."

After looking around, it seems it was because of this post I made: http://www.cheapassgamer.com/forums/showpost.php?p=7928652&postcount=1124

Is using feedback for this allowed here? I think it's an abuse of the feedback system, intended for trade and sale transactions.

It is feedback abuse, just pm a mod (I suggest Shrike) and he'll remove the feedback.

No, it's an abuse of the feedback system and grounds for silence, temp ban or permaban.

The invalid feedback has been removed. Sorry for the issue.

Thanks, chief! I'll give you some positive feedback. Wait, I mean....