Yeah I gotta say, man, intentional team killers are just plain idiots. Scum of the Earth.

I'm digging this game so much that I wanted to introduce my brother to it Saturday night. So we get into my own private server and mess around a bit so he could practice a little and get used to the muskets and whatnot, and then we decided to jump into a well-populated siege server (the 84th) so he could see how awesome and epic the huge battles are. As soon as we got in some jerk was running around constantly kicking everyone near spawn. I knew there would be trouble.
I told my brother to follow me and we'd try to stick together, so we headed toward the front. On the way we stopped near the cannons to watch the artillery and take a few long-range musket shots. All of a sudden, here comes that jerk from spawn, and he walks up and just starts stabbing and killing the artillery teams standing there trying to do their jobs--only now he had a few friends with him helping. My brother's all like hey, are these guys attacking our own guys? I said yeah, they're idiots, ignore them and let's move on. Before we could, though, the dudes ran at us and killed us. By now the artillery guys were flailing about trying to kill these jerks.
This really infuriated me, especially since I told my brother how amazing and fun this game was before we started playing (we don't usually play on public servers for fear of griefing). Shouldn't have done it, but I ran back over there and helped the poor artillerists to get revenge on these guys (and we did in frenzied, merciless fashion), and then left the server for greener, friendlier pastures.
Stupid idiot griefers. I'll never understand the mentality of people (probably mostly kids, I'd hope) who enjoy spending their time doing that kind of stuff to other people. They should all be banned permanently when caught. Idiots.