How did they manufacture the audio? Deep fakes are easy to make, but audio like that (multi minute speech) identical to Trump's voice isn't.
The truth is, Trump cucked out because every "legal option" was blocked and he doesn't have the mindset to kick off a revolution to preserve freedom and the Republic.
Voice Synthesis on YouTube, check it out
Hitler reading Genesis in English, in shit
Though older ones are in shittt quality
But it's entirely possible, rest assured
Vocal* Synthesis
Or FDR reading Navy Seals copypasta - my personal favorite btw