Communism did not work because it was not communist enough, now democracy is not working because it's not democratic enough. Democracy is the golden calf of westerners. I truly believe that voting rights are hurting more a society than drugs and alcohol.
They are struggling to figure out how to do this in the Information Age, but that doesn’t mean it’s not reasonable or important. Blocking propaganda posing as “news” is a stopgap measure, but we can’t do nothing if we want democracy to work.
Don't project American politics to the concept of democracy. It is not the poster child, because it is not a good implementation. Nor is the decline of the US inevitable. Lots of democracies are not going through that, but watch in horror as plutocrats and fascists undermine the country, and they take steps to avoid the same fate, which is the very reason for banning things like RT.