Did you know that Ofcom has published a classification of rude/offensive English language (and a few non-English) words?
Discussion
Personally, I tend to avoid "rude" words myself; I do not tend to swear.
I don't have much tolerance for people swearing in messages mentioning me, and I tend to mute quite quickly for that.
This reminds me of a piece of academic research, on the undesirability of access to online pornography by children.
It seems that their research method consisted of asking children if they were familiar with / had accessed certain porn sites.
It included links to a lot of porn sites, many of which were new to me and, presumably, to many of the children involved in the research...