In my opinion, this clause alone should make players hesitant to use swear words.
And yes, I understand swear words can be used lightly and jokingly, but this is L4D. This is not the community where free speech should be allowed. So, rather then wasting our time and effort on unreasonable demands we should focus our attention to more obtainable goals, such as increasing jockey spawns to 11. Come on, admins. What are you afraid of. Give us 11 jockeys!
Edit:
More on the point, acronym thing is just a loophole.