You know, TA, for somebody to be bullying online it has to be all three :
Deliberate - like typing it, for instance. You can't 'accidentally' fall on a keyboard and post several paragraphs, or even a sentence.
Repeated - by the person you accuse. Other people may agree, but they are all individuals.
and
Posted using a position of power - which therefore doesn't apply to anybody who is a fellow user of H&V, since we're all equal.