You are right about the emotions. They rule the markets for centuries. But now new players step in to the arena. The algos. They are not very smart but are extremely fast and do not feel pain or fear when they are wrong. They just execute what they are programmed to do without regret or doubt. At the moment most of the trading volume on the FOREX and Stock markets is automated. When the crypto markets become big the bots will come here too. In few decades non augmented humans will have no chance against any market.