1) No strong sense of "norms" in the culture
2) Manipulation of "Free Speech" into "Equal Speech"
3) Manipulation of a populist movement entirely built on nostalgia, the-jews-backstabbed-the-kaiser mythology, and "Germany First" so that they were far enough from Hitler that he could claim to not control them directly, but everyone else feared touching him would start a nationwide riot.
4) Political violence was normalized
5) Everything (churches, tennis clubs) had political party variants (ex: the socialist democrat Protestant church vs a communist one)
6) Terrorist attack on the Reichstag was a huge opportunity and turning point
There's a world of difference between the Internet of 2017 and Germany of 1932 that I really do suggest keeping them apart, and pick up the book.
I'd love to see examples of unfettered free speech from the 1600s or much MUCH easier.
399BC - Socrates speaks to jury at his trial: 'If you offered to let me off this time on condition I am not any longer to speak my mind... I should say to you, "Men of Athens, I shall obey the Gods rather than you."'
1516 - The Education of a Christian Prince by Erasmus. 'In a free state, tongues too should be free.'
In the 1600s, Galileo was executed for mere speech.
Based on the post I was expecting examples of where free speech overcame the kind of 'there are my kind of lies so they must be true you liar' stuff we're seeing now.
Totalitarianism has emerged in societies lacking free speech as well. it's usually a lot more complicated than that.
Regulating free speech is indeed a slippery slope. But it might need to be regulated, I don't have no idea to be honest. A free market works best for the common good when it's regulated though, and I could see it being the same way for free speech. But a slippery slope it is.