Almost no one in previous history had an ability to directly target poor, uneducated masses which their own content created in their own bedroom.
Also let’s be honest - the likes of Hitler actually came from the likes of people who would tell you to stop listening to WHO advice and to go start fires in 5G towers.
Don’t get me wrong, freedom of speech et. al., and we’re probably also going to get burnt by the freedom with which today’s global platforms invent the rules - but the laws are being written now; and we’re obviously not dealing with an easy, black-and-white answer.