I got banned from a Christian Minecraft Server for swearing

One day, I was on my computer to play Minecraft, I was browsing through my servers and noticed one that I never played before...It was called: mc.christianserver.net. I was curious and joined the server.

The Server
It seemed normal, but everyone for whatever reason was using a Jesus skin. Then again it was a "Christian server" so I guess it was normal. They were talking like usual and I felt like playing on a survival game in that server. When I was playing, I got killed by another player which made me rage. I then typed in the chat "Frick"

I was then booted out of the server. The reason was just "No swearing in my Christian Minecraft Server."