Reviewing...
If they had just called you a hacker, and didn't !rep, nothing would have happened. If anything, being called a hacker only shows that you know what your doing. But, they did abuse the !rep system, as you were in-game and playing when this happened.
[2014-08-13 18:17:55,420] 1274423941998406733167613041853122069L 08/13/2014 - 12:21:53: "owz. necromancer<3><STEAM_0:0:57996748><Blue>" say "!rep their sniper"
[2014-08-13 18:17:56,440] 1274423941998406733167613041853122069L 08/13/2014 - 12:21:54: "Mujet<10><STEAM_0:0:51638592><Red>" say "!rep our sniper"
[2014-08-13 18:18:08,140] 1274423941998406733167613041853122069L 08/13/2014 - 12:22:06: "Soarex lft silver spy<17><STEAM_0:1:71202305><Red>" say "why"
[2014-08-13 18:18:11,140] 1274423941998406733167613041853122069L 08/13/2014 - 12:22:09: "BaRba Ou NiCk ?<5><STEAM_0:1:22897779><Blue>" say "!rep their sniper"
[2014-08-13 18:18:14,799] 1274423941998406733167613041853122069L 08/13/2014 - 12:22:12: "Soarex lft silver spy<17><STEAM_0:1:71202305><Red>" say "whyyyyy"
[2014-08-13 18:18:17,845] 1274423941998406733167613041853122069L 08/13/2014 - 12:22:15: "Duncan Idaho<16><STEAM_0:1:14349066><Red>" say "dont rep him wtf?"
[2014-08-13 18:18:17,979] 1274423941998406733167613041853122069L 08/13/2014 - 12:22:16: "Akrom<12><STEAM_0:1:35285003><Blue>" say "!rep their sniper"
They've all received 3 Day Join Lobby Bans for !rep abuse.
Why do mathematicians confuse Halloween and Christmas? Because 31 Oct = 25 Dec!