Darn. This will force people to use clever verbal invective such as ":barf:" when they want to be insulting. Unless such things are added to the language filter...
Where will it end?
"Once the writer in every individual comes to life (and that time is not far off), we are in for an age of universal deafness and lack of understanding."
(Milan Kundera, Book of Laughter and Forgetting, 1980)