For every Steve Jobs there are a hundred Carly Fiorinas
TBH I'm surprised you're arguing. NeXT is generally accepted as a commercial failure. Hell the NeXT cube, alone, was a famously collosal flop. This isn't even a little bit controversial.
Jobs cared more about changing the world and advancing civilization than he cared about providing good value for investors. NeXT was a very solid success when measured by the yardstick of what Jobs set out to do.
Trying to make money by creating a new general-purpose operating system is inherently a very risky enterprise. NeXT's investors knew that.
Demis is busy create another PR documentary lionizing himself so he can capture the google crown. Always says whole bunch of nothing to a fawning interviewers who is projecting brilliance and profundity on his every word.