Bad Words

It is very unfortunate to see how casually bad words are spouted publicly these days. This response to an answer on Quora made me viscerally angry.  Is this an “I know them when I see them” sort of filter, or does this man have a list of all the “bad” words?   In any case, how dare he levy such a judgment against any element of speech between sapient beings!  The sanctity of free communication must be inviolable. What could he...