Earlier quoted context omitted.
> They can exist because both of them are going to HAVE to learn how to engage with one another You're assuming good faith from both parties. Harassers and trolls don't act in good faith.
There is a well-known recipe against trolls: do not feed them. Block and ignore them. If you visit a bathroom, you normally don't bloviate about the kind of crap you had just to flush, you rather avoid the topic; the same applies to trolls. Bring zero attention to them. Trolls' game is all about drawing attention, in the form of ire, offense, and and panic. Deprive them this, and they'll cease to bother you much. Thi…
This is, of course, unevenly distributed. If you’re a white guy you have to work at it to get the same level of resentment in certain circles that other people start with by being female, brown, gay, etc.
GamerGate is well worth learning about as an extreme example of how far it can get beyond the level where blocking works: it started with one person (Eron Gjoni) trying to clinch the “worst ex ever” title by rallying a hate mob against his ex girlfriend with some fake claims, which produced hate spasms for over a year, multiple police investigations, and fed into the 2016 US Presidential election.