Re: Will it help?
"A number of aspects of US culture are stuck in the 17th or 18th century. "
This particular aspect ("new morality") is very much a late 19th-early 20th century thing - as is the Lanham Act.
The rose-coloured specs about our predecessors is a direct result of rigid censorship and rewriting by many prudish historians and authors - Tolkein's academic work on old english texts being one of the more egrarious examples of Bowdlerisation
It's ironic that "Bowdlerisation" is used, when he specifically targetted Shakespeare - and most of the bard's stuff the public are familiar with these days is what has been tampered with, not the originals.