I see loads of posts of people complaining about toxic enemies/teammates on this subreddit everyday. And I am going to say what everyone else in the comments of said posts says as well. It's nothing game specific. All we can do is mute and report said trolls and get on with it. Getting tilted or responding to trolls won't get you anywhere. And once your match is finished just forget about what happened. You will meet evil toxic sexists, racists, fanatics and extremists of all kind everywhere. Evilness lies within the human nature get used to it and learn how to cope with it and how to handle it. So next time you encounter a troll don't let them get to your nerves, simple as.