So now you can read minds?
Only when they are open books.
If this is all you contend, then you would probably be better off starting a political party or a civil initiative for the change of laws and policies regarding certain forms of aggression.
Taking it out on forum posters just doesn't help.
It might. Telling them how and why they are wrong might make them realise that they are way out of line. Not all people are stubborn.
Luckily we don't have those problems in my country.