I quite enjoy swearing (time and place allowing) It can be quite hilarious (think Malcolm Tucker from The Thick of It)and it really doesn't offend me when done properly, iykwim.
One of the things I like about Mumsnet is that posters aren't treated like teenage miscreants - no words are censored, you can say what you like (more or less) and many a time I've found myself spraying coffee all over my screen at some foul-mouthed turn of phrase...
I use another forum (not a parenting one) and it REALLY pisses me off when words are blanked out by the cat's- bum- mouth swear filter. We can't even say 'tit'.