Should we be afraid of AI? True AI is both logically possible and utterly implausible

Machines seem to be getting smarter and smarter and much better at human jobs, yet true AI is utterly implausible. Why? Professor of philosophy and ethics of information at the University of Oxford, Luciano Floridi, explores in Aeon magazine why despite AI seeming to catch-up very quickly with human capacity, reaching 'true AI' is still an almost utopic thing to do.