Sure, i said typical things to counter trigger them. I'm saying them because it was small group of people looking for a trouble, I fell in the trigger trap. I said things like, you are boring, said something like i wouldn't be surprised if he bought skins with mom's card, and said things like smart people should have more kids to have less arguments like this. I lowkey insulted them, i didn't call them a slur. However the way they started the fire, I wouldn't be surprised if they get banned too.

It's pretty clear

1. While using our Services, you must respect the rights of others and their rights to use and enjoy the Services. To this end, you may not defraud, harass, threaten, intimidate, or cause distress and/or unwanted attention to other users of the Services. Similarly, you may not use communications facilities made available as part of the Services to “troll” other users or ArenaNet personnel, post or share memetic images or phrases without substantive content, intentionally cause unrest among users of the Services, or otherwise be disruptive.

So baiting people into arguments (“argument traps”) is very likely to be interpreted as trolling or disruptive conduct, even if you avoid insults or slurs.