Well the workers, farmers etc seem to largely be content with their lot in life just like the leisure class enjoy their life of leisure.
The Shire represent Tolkiens ideal society where everybody are happy with their lot and the lower classes take pride in serving and working for their masters.
> I get a pain in the back of my neck. —RBC, CBE
> ...would you approve of your young sons, young daughters –because girls can read as well as boys– reading [Chatterley]? ... Is it a book that you would even wish your wife or your servants to read? —JMGGJ, CBE MC
Lagniappe: https://www.youtube.com/watch?v=xcCb3BFp85w
EDIT: it might be easier to understand why those last 4 were considered revolutionary by comparing their act to the Eurovision entries of the time, eg: https://www.youtube.com/watch?v=632aaGy8QGk&list=PL5EC4F7D0E...