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You are probably very right

The story I remember was a popular documentary which had a story arch of a single trader single breaking the market from his parents bedroom. Which is a good story but most likely just a small part of the truth; also probably why the Wikipedia just mentions him shortly.

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Bloomberg had a video about this, one of their journalists wrote a book about him. The conclusion of that book was that Sarao didn't break the markets, and it was probably not necessary to throw the book at someone who was mentally disabled because some incompetent prosecutors needed a scapegoat. If you only read about Sarao within the context of the Flash crash, you will get the wrong idea.

Personally, I treat documentaries as entertainment. They can be informative, but I usually only pay attention to the finer details they provide proof for. Any kind of arch or narrative I remain skeptical on.

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