I'm guessing the documentaries don't dwell on those speeches for a long time, right?

It's hard to show just one excerpt from a speech that is potentially an hour-or-so long without context. The speeches need to be summarized because you wouldn't be able to glean what they're talking about just from listening to a few minutes.

Here's Hitler's speech about Stalingrad:

https://en.wikisource.org/wiki/Adolf_Hitler%27s_Stalingrad_Speech

You'll see it's kind of all-over-the-place and choosing just a few lines from it to summarize is hard. In this speech, he talks about his own life, his coming to power, he compares bolshevism to communism in Wiemar Germany, he talks about previous German military successes, and so on. Picking a few lines from this speech to summarize it is very hard.

That's to prevent people from falling for their sweet lies again. Dictators become dictators because they are charismatic and good at convincing people, and that can even work after their death.

Their speeches don't sound like crazy dictator. They sound very convincing when you don't analyze them thoroughly. They are very good at presenting seemingly great solutions that are only radical when you think through all the implications.

They just talk about fake news and how the other politicians are traitors that should hang .. and .. sometimes they call their own RINOs ... as you see .. SSDD

So that's why I cant know what the big Austrian artists speeches?

In the modern world, nobody listens to a speech from start to finish. At best, the vast majority of people will get a handful of ten to fifteen second long clips from their favorite news and/or social media channel. So that's how modern speeches are written - they tend to be very short and are essentially just brief soundbites that have been stuck together in such a way to make it easy for other people to edit them down into clips.

Historical speeches were much longer - Hitler's speeches would often go on for >2 hours and that wasn't unusual among politicians that were good at giving speeches.

Historical speeches are often exhaustive explanations of what the speaker thinks is the problem, how they intend to solve the problem, and why other proposed solutions to the problem are inferior to theirs. While you can often pull brief snippets out of those speeches - such as "the only thing to fear is fear itself" - stuff like that often doesn't translate well from foreign languages.

Making sense of historical, foreign language speeches requires you to listen to the whole thing, which is probably several hours longer than the documentary you're watching.

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