What Thomas Bowdler and his ilk did was a crime against culture. Fortunately, unexpurgated copies of Shakespeare and others survived, so when prejudices changed, not only did we have the pleasure of reading the masters' original compositions, but we again had insight into the workings of their epochs' minds. It is often said that those who forget the past are condemned to suffer its consequences over again. Use them for education, as examples of what is no longer acceptable. The surest way to prove a person wrong is to let them speak.
Social mores have a way of recycling themselves.
The libertinage of Restoration England gave way to the Puritanism of Victorian England, and the literature of both periods reflect this best of all. Some one, some place, will have an objection to every possible word for some reason or another. Perhaps it was past trauma, perhaps they just want to disrupt any possibility of people communicating and learning to dispel existing prejudices.