If there was an argument for MGI, near total automation of labour is one.
AI are quickly developing the ability to do tasks as well as and better than humans, albeit usually narrowly specialized tasks. Driving cars, manufacturing goods, finding patterns in data, even winning jeopardy – AI technology is assuredly forging ahead. If AI are going to be able to do these tasks, where does that leave the truck driver, the factory worker, the lawyer, accountants and others? These are millions of jobs that could be eliminated in rapid succession, potentially creating a situation of chronic high structural unemployment amongst people in their prime working years.
Some believe that the current situation of worldwide income inequality could become aggravated even further by AI-caused automation of jobs. Fewer jobs could lead to further concentration of wealth and an unhealthy economic balance. The prospect of less work to be done, fewer jobs and fewer ways to make money seems to bode poorly for fighting the cycles of poverty.
What are middle class families going to do as technology also takes away huge numbers of our jobs at an ever increasing pace? We live during a period of history when knowledge is increasing an an exponential rate. In the past, when human workers were displaced by technology it also created new kinds of jobs that the world had never seen before. But what happens when the day arrives when computers and robots can do almost everything more cheaply and more efficiently than humans can?
Flip burgers for 1 cent an hour, still replaced by PattyFlipperTron2500.
For employers, there are a whole host of advantages that come with replacing human workers with technology. Robots and computers never complain, they never get tired, they never need vacation, they never show up late, they never waste time on Facebook, they don't need any health benefits and there are a vast array of rules, regulations and taxes that you must deal with when you hire a human worker.
If you could get a task done more cheaply and more efficiently by replacing a human worker with technology, why wouldn't you want to do it?
If technology can outperform humans, it is only rational for companies to replace humans with technology.
And this is even starting to happen in fields that require very high levels of education.
If nobody has a job, how will businesses have customers? How will capitalism function without people selling their labour? How will people provide for themselves? How will the bourgeoisie exploit the proles? How will the poor bootstrap themselves to success?