My post was strictly in the sphere of formal and impromptu illogical debating errors refuting the slanderous conclusions made about ex's recently. On a wider scope you make some excellent valid points since people are obviously more complicated behaviorally than a set of fallacies.
I think people can extrapolate for themselves contextually distinguishing well reasoned informative posts from knee jerk hyperbolic reaction posts regardless of the venue.
Poster A occasionally posts over the top statements.
Thus everyone posts over the top statements.