What's the point of arguing and insulting others online?

Why do some people like to engage in aggressive online conversations and it goes on nonstoppable? What do they gain from that? What exactly is the point of that? I'm noticing this happens here a lot.

I've reached a point that if it's really a sensitive question, I'll either don't answer or only answer what's being asked without involving offensive remarks. No need for that and honestly that's a waste of time. It's not like you're getting money out of it.

If someone asked ''what do I do, I just betrayed my partner''. Why would I answer with an ''I hope you die alone and get dumped, you people suck, you're stupid''. It's already obvious they're in the wrong. Why reiterate it? Instead I'll just answer ''You might be having unsolved issues or maybe aren't ready for any relationship at this moment. I suggest you seek help to find out what the root of the problem is''.

It's one thing to disagree and state your opinion but another to go straight forward towards the abusive remarks.

What's the point of arguing and insulting others online?
Post Opinion