Current mood: cynical
Calls for censorship eventually led to strict enforcement of the Production Code not long after Carole Lombard's breakthrough film "Twentieth Century" (from which the above promotional photo was rejected by Joseph Breen) was released in the spring of 1934. Some censorship came from state boards (http://carole-and-co.livejournal.com/1
That article is chock full of pointed darts about the inhabitants of Illinois, Indiana, Iowa, Kansas, Missouri, Nebraska and environs, and one wonders what they thought of it. Alas, we apparently will never know. While Motion Picture had a "letters to the editor" section, most of the letters consisted of comments about specific stars (e.g., Garbo vs. Dietrich). Few, if any, letters dealt with articles from prior issues -- and a check of the next few issues of Motion Picture revealed no followups to "Are Movies Run By The Middle West?" Pity.
Oh, and as for "Twentieth Century"? It drew rave reviews from the trade press (such as the Hollywood Reporter) and New York papers and was well-attended in big cities...
...it did middling business in "the sticks."