personal attacks mean nothing, if an account sees fit to abuse you, dont give it a second thought, do you really care what some pleb thinks of you or has to say about you?
simply do not dignify them, try not to respond, but if you must, be absolutely ruthless, take no prisoners and never stop.
its all or nothing.
i can give you a case study :- i was a member of a forum, and i made a few (no more than 4) threads about politics in the GENERAL area of said forum.
i was deemed to be 'trolling' and was subjected to a tirade of abuse from numerous sources. led by the admins and mods of said forum. i never swore or abused anyone else, in fact, other accounts made political posts in a similar fashion to mine, yet i was singled out for a 'group kicking' - one admin went so far as to alter my signature to make a rather nasty comment regarding myself.
in the short amount of time i had to respond and defend myself i mentioned i had broken NO RULES and that i thought the example the admin/mods were setting to the rest of the board left lot to be desired.
As it stands, i have my ip address banned by this board, but i care little, although i know at least a few of the members there are members here.
PS. i consider the term trolling to be abusive and derogatory, to call someone a troll isnt nice, and ironically tars the name caller the subject of the insult.