I believe in not swearing because that is something my religion believes in. If "5 year old blockheads" want to respect what their parents want them to do, then why stop them? Why criticize them for honoring and carrying on their parents wishes?
Its one thing if some one goes to your server and repeatedly asks you to stop swearing in all caps. If some one asks you to stop swearing on his/her server and you don't agree with it, then leave? If they ask on your server simply tell them they can turn on their chat filter and be on their way.