There are no public spaces on the internet. This isn't a nitpick - it gets to the core of the censorship issue. If Twitter and Facebook want to ban something,

There are no public spaces on the internet. This isn't a nitpick - it gets to the core of the censorship issue. If Twitter and Facebook want to ban something, they already can. And do. As for your statement idea - I personally don't feel that useless gestures like trying to stop the tide are very comforting.