Actually, the USA is required by the Berne Convention to implement moral rights, and it's delinquent in not doing so (and American artists have had some cases tossed, at least in the UK, on that basis).
Parody and sarcasm are not "derogatory treatment". Breaking up a piece of artwork and selling the pieces separately or using a soviet composer's music in a virulently anti-soviet film is derogatory. Bluntly, it's the least important of the moral rights, and is
very rarely invoked.
Attribution is the important one, and is very often overlooked in this day and age. Equally, the right to remove one's name if one wishes is important - indeed, even in America...well... seen any films by
Alan Smithee?