What makes posting on an open forum difficult is that we can't really know what is going on in the background. That includes the lives of the angry, keyboard warriors.
What may seem like a slightly sharp response to one poster, may just be the thing that tips someone else over the edge.
Some posters are not robust enough to respond and in some cases, defend themselves. Being dismissive and suggesting they toughen up, and walk on by doesn't help at all..
I speak from recent experience. There is a poster I usually try to ignore, but in the last few days this person decided to have a go at me again , backed up by an ally. It has been an ongoing saga of slights and pretend innocence, all cleverly done.
It just got to me this time and caused me anxiety, because there were things going on in my life which were making me very fragile.
Just stop for a moment and think before you post. We should all feel free to post on this forum, without fear of being got at.
There is a huge difference between disagreeing with others' views and being downright rude and making personal remarks.