well, they were free to leave, I cannot blame the host here for staying though. I might have done the same, to at least give the winning team that much respect that they are free to finish this game...
I understand your anger, but I can't blame them and it is not really against the rules.
Denied
PS: no matter what the replay shows, it is not needed, if it is only about afking. game ruin on the other hand is always bannable, such as destroying items or purposeful feeding or controlling allied heroes!
have a nice sylvester!
PPS: I just saw what was posted right before me. There is absolutely no need for flame in here, the matter is solved, let moderators explain the rules, we know them pretty well and we can explain them without insults. Thx.