Hear me out. Instead of Perma-banning people for toxicity
Make them have to play 60 to 100 mandatory games (based on how severe their punishment should be) of Ivern in solo bots mode with his quotes on full volume. And just as a precaution. Let's say the player has their volume muted, the quotes will also pop up on the screen in text and requires the player to click a box that says "I acknowledge this quote."
That'll reform them.