Earlier quoted context omitted.
See current article on HN about Facebook leaks. Lying at scale without consequences seems to be becoming more prevalent. The inventor of that is generally considered to be Joseph Goebbels, the Nazi propaganda minister. He used radio and film technology, which were new at the time, plus large rallies, to present a consistent but bogus view of reality. After WWII, that sort of thing had such a bad reputation that it wa…
Lying at scale? Humans have had organized religion for millennia. You don't need radio, you just have to have an organization of priests to keep the fires burning in the temple and tell people about Jupiter when they visit. Even if you only count directly political lies, we have records of ancient historians expressing their doubts about various stories. I mean, come on, is the claim that the high water mark of truth…
The impact of radio was huge. For the first time, entire populations of large areas could hear their leaders. For better or worse.