It was extremely mild compared to some of the junk out there today.
In addition, Shakespeare is worth reading and is considered great literature because of the impact he had on society and culture. Cheap pulp fiction which is momentarily on someone's 21st "great literature" list is a far cry from Shakespeare.
Nothing wrong with a board members voicing an opinion about what she considered trash is there?
It only seems mild because we do not tend to recognize the slang terms of his day that he frequently uses. The language has changed a great deal.
Ummmmmmmm....there's actually quite a lot of graphic VERBAL sex, in Shakespeare. If you'd like an explicit example, from THE TAMING OF THE SHREW, I'll tell you about it in private.