I've read and heard so many times that one reason why Gene Roddenberry created a science-fiction show was that by setting stories in space or on alien planets, he could do stories that wouldn't get passed the censors if they were set in an ordinary Earth setting. I've also seen Rod Serling say the same about The Twilight Zone. Both thought that the audience would see through the science-fiction elements and get the message they were trying to put across. I just wonder why they thought the audience would get it but that the censors wouldn't. Did they think the censors were too stupid to see what they were trying to do and that the audience were much more intelligent? Or did they think that the censors did know but that they (the censors) thought the advertisers wouldn't?