I knew what the article says already, that words we now regard as "bad" were not so originally. This supports my oft repeated argument that it is how words are used that makes them "bad". In other words, if you speak rudely people usually know if you are being rude by your usage or, face to face, by your body language. By 'usage' I don't mean just using a word; its context and its connotations within that context (in other words, what you intend it to mean) give its real meaning.
Words are not bad of themselves.
The effing and blinding of a drunken person is not pleasant to hear but it's the drunkenness that is the real problem.
A person who lets out a so-called 'rude' expletive in a moment of shock or other intense emotion is not being rude. The use of the expletive is a psychological release and probably a good thing.
So that's why I stick with "listen to the meaning, not the words". I find it serves me well.