I feel that swear words, just as with other words in the language portray different meanings when used in different ways. Swear words are parts of what you say just as all other words are. It is not the word itself but everything when it's put together that really matters. I never use swear words for insults, if you need to rely on a swear word then your original insult was not up to par in the first place. I step out of the 'gutter' and when I do employ their usage it is typically for either humor or emphasis. I know my groups and I know that around some people adding *insert curse of choice* would be frowned upon whereas with others it would generate laughter, or in some cases it would even be expected. I value being able to make people laugh as it is a very important trait that seemingly only humans have. I have employed swearing to cheer others up (and found it effective). I view the English language as a large painter's pallett and swear words could probably be represented by pure black or perhaps pure white. In many artists paintings you will seldom see a pure form of such extreme colors, however I am an artist who believes if you place them correctly then your painting can have that extra spark. But, as with any peice of art, great consideration must be placed on the 'where and when'. Context rules our language and it of course rules my speaking.
I can go to and from different environments and act accordingly, I feel it is important anyone of profession to be able to do this. I can sit down for a formal dinner with colleagues today and tomorrow be hiking in the woods with my Comrade, us both attempting with much futility to dam up the ravine with dead foliage and the like.
If only Tse Lu were still around, he was one who had the entire language held firmly under this thumb, very gifted writer and speaker I'm sure. And if you know him you would know well that he had no qualms whatsoever about the rougher words of the English language.
Also, it is of note that it is not considered swearing if it is a correct term. For instance if you are referring to Hell as a location it is correct on all grounds.
Also, there is a scientific term in psychology which though originally referred to a mating strategy in Sea Lions has been used in other contexts as well. This is known as the "Sneaky ****er Strategy" (the premis behind it is the fact that like many apes, sealions have a dominant male and in order to mate, the weakest of the males have to 'sneak off' with females far from the dominant males of the population.
So if you ever have a strong desire to speak to a group about Sea Lions, feel free to drop that in as my Evolutionary Psychology professor did every chance he got.