Sometimes, censorship isn't such a bad thing. Take for example gay rights. If everyone accepted being gay as just another decision and there were no censors on the subject, what would there be to stand for? Would the world have been as beautiful and as amazing if Martin Luther King didn't have to stand up and put a stop to censoring African Americans, or if Joan of Arc wasn't stereotyped as she led the French to victory? Censorship creates controversy, creates an environment where people are tricked into fighting for what they want. Without bans and censors, nobody would want to try and change things anyways. If your mom had a cookie jar on the highest shelf when you were little, you had to know what was in it regardless of the punishment, until the day you found out it was empty. But, until that point, you fought adamently for what you wanted to see or know, regardless of how many beatings or "talking-to's" you received. Without censorship, people wouldn't need to look in cookie jars, people wouldn't need to stand for what they believed in, we would move on throughout life all the more equal, and life would be all the more boring. Thanks to censorship, things actually get done...without it, we'd just have our own drive and willpower to blame for the slow-moving progression of topics such as race, sex, and sexual preference.
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I think what you're really talking about is adversity, not censorship. If adversity is what you mean, then you're right, great things result from adversity.
Common sense is as rare as genius. ~Emerson
This seems like another version of the argument, "Evil is neccesary to appreicate good." It's true in a roundabout sense, but it goes nowhere. Censorship isn't progress; it's the attempt of the ruling class to cease progress from progressing.
Don't Panic!