bad mods

My son, who suffers from mild autism, is now in his room crying after being called a "retard" by one of the people with a sword next to their name, then he was issued a mute for 420 seconds. I understand these to be the actions your moderators. Now, I allowed him to watch this stream because it is usually very family friendly and politically correct, we especially loved the tournament last year, but this is crossing the line. I don't know