I happened to see this too long discussion. I do not know whether this completely right or wrong, but computers are taking the human labor including finance.
The financial environment is changing with the advent of big data and computerized analysis.
The level of human oversight varies. Among sophisticated quantitative investors, the process is fairly automatic. The models are being researched and refined almost constantly, but you would rarely intervene in the trading decisions of a live model. A number of hedge funds, mutual funds, and exchange-traded funds (ETFs) run on auto-pilot.
Financial firms are increasingly becoming tech firms. JP Morgan Chase employs 50,000 technologists, two-thirds of which are software engineers.