I was there for this, the description is accurate, I believe it was during cs_complex I recall a KKK punk spamming his Turret's Syndrome and being a general pain, I even think I went to votekick him but admins were on.
As far as helping your friend out Slasher, it sounds pretty dumb. If you'd just let him rage a bit during a half hour ban this wouldn't have turned into a mess and a longer ban for him.
KKK, seriously as a clan (klan?) sig it sounds asinine and like an excuse for a bunch of losers to be trolls and try to play it off. It doesn't matter what you say it means, I don't think you'll convince anyone with half a brain or any life experience you mean anything but a reference to a hate group in your choice of sig. Either way, next time you get a temp ban take a walk to the corner, get yourself a snack, and try to chill out. It's for your own damn good.
"But it's just a game."
"So's blackjack. Go cheat in a Moscow casino and when you get caught tell the mobsters it's just a game. They have great sense of humor, you'll have a fun story to tell your future children. Who will have to be adopted, after the little prank the mob does to you in return."