No county's government has to censor anything from its citizens. The only reason to do this is to redirect the society's energy towards a purpose it would not choose if the truth were known. Usually a purpose detrimental to the society itself.
feel free to send your "MISTER PRESIDENT! MISTER PRESIDENT!!! THERES SOMETHING YOU NEED TO KNOW!!! A VIDEO!!! ON THE INTERNET!!! A VIDEO ON THE INTERNET!!!"
They're not super fond of you now. I remember in highschool we had a unit on American Imperialism in which America didn't exactly come off smelling like roses, and that was before the Iraq war.