Quote from the article: "You can't really base the financial system of the future on computers rather than humans, on trusting to immutable code no matter what

Quote from the article: "You can't really base the financial system of the future on computers rather than humans, on trusting to immutable code no matter what happens. Financial systems are supposed to work for humans. If the code rips off the humans, something has gone wrong." Isn't that what HFT is doing all the time ;)?