Yeah this ban was very justified, after reviewing logs :\...
Although Bans in chat don't usually last too terribly long, please refrain from joining and spamming... At least spend some time in the room to see how it's going first before you do stuff like that. There are times when things get a tad crazy (PENCIL IN VAGOO), but there's no possible way you could have made that assessment from the whole 2 seconds you were in there before you started doing that.
Also, I feel it's important to mention; status or reputation on the forum is irrelevant in chat, considering it's pretty much occupied and operated by people who don't browse the forums much. So joining in and expecting them to be relatively lenient because you're a long time ZFGC member just doesn't happen
... I know you didn't assume that, but I feel it's an important point to make.