You totally deserved the ban if
you tell someone to kill themselves. You act all funny and do not see how dangerous those words are. Not everyone is as mentally stable as you think. Some people are actually extremely depressed because of their real life and stuff and just want to play a match of league to calm down. Obviously they can't play to their extend because they still think about the problems irl. Now you come in, you notice they play bad and flame them. It doesn't help anyone, it just prevents them from calming down. Some people are even so much depressed that they were close to kill themselves for real. Do not encourage someone to commit suicide by saying "kys". Coming from me, I have been depressed for a long time too. I was close to commit, but I didn't, which is why I am here today and I am glad my life is somehow normal again. Others do not have the opportunity to change things to the better right now, keep that in mind.
Share love, not hatred