It worked practically in practice in history. It works also practically in countries like Saudi Arabia. Once in a while censorship does not manage to stop all opposition, which is why once in a while revolutions and such succeed.
But practically speaking, censorship works. That does not makes it right thing to do or something, which would be different claim.
Just because people manage to say censored things here and there just means it cant stop completely all such claims and materials. But it does minimize who will run into them, how many of them will be available and so on.
It worked practically in practice in history. It works also practically in countries like Saudi Arabia. Once in a while censorship does not manage to stop all opposition, which is why once in a while revolutions and such succeed.
But practically speaking, censorship works. That does not makes it right thing to do or something, which would be different claim.
Just because people manage to say censored things here and there just means it cant stop completely all such claims and materials. But it does minimize who will run into them, how many of them will be available and so on.