This rhetoric makes no sense to me. People are already subject to incomprehensible levels of propaganda from every angle and have been for over a century. When and where was there a perfect democracy?
On YouTube, Facebook, Instagram, etc. I can push my agenda worldwide. Russia, China, Iran, and other non-democracies can make insane amounts of propaganda for very cheap to reach millions of people. The engagement algorithms even help the propagandists reach their target audience effectively. The algorithms help then widen the audience automatically through shares of their supporters and further engagement.