It would be difficult to find, outside of a full totalitarian regime, a country that doesn't exploit media, including news, advertising and pop culture, for manufacturing consent customized to monetize and motivate the populace to be compliant, profitable, useful consumers.
These are totally different things. In public relations the source is clearly identifiable. If the Kreml or White House gives a press conference, it's up to you whether to believe them or not. No problem with that, comrade!
By the way "propaganda" and "public relations" are exactly the same thing.