All this does is give you some small personal satisfaction of seeing someone whose character you dislike having a red tag (a bit more of an ego boost if you're a DT member because more people see it).
It has little or nothing to do with actual risk, and with logic like that you're just asking to get scammed by a smooth-talking con artist.
Getting offended on the internet is so 1990s, grow up.
boy, I didn't give any red tags
so before you say things check

I was just evaluating what was said that in fact, if I were a "small" user I would be afraid to trade with a person who gets angry easily and rants
I just said this and it seems to me to be objectively true and not subjective.