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He did repeat a lot of what he's already covered in films like Century of the Self, and All Watched Over as otherlad mentions, but I suppose for someone new coming in, that background context is necessary to set up the rest.
I get the feeling people like us who are familiar with the concepts in his older material might not be the target audience this time, and maybe he was aiming more at was today's highly radicalised Rudgwick/Twitter/Etc politic kids, who often fail to realise they're retreading ground that has been thoroughly trod before. The point seemed largely to be that every time this radical rhetoric comes around, they usually aren't the first, and nor will they be the last, to think they've cracked it, and ultimately only end up assimilated and subverted by the existing structures of power.
But this was an illusion.