Those ships would have to be designed with every system completely separate and in multiples. More than just two pumps or two motors. You would have to have two JW systems, two LO systems, two FO systems. Just about every component in the power management would have to be in multiples by the time it’s all said and done it would have been cheaper to keep a crew
This won’t happen in my career and willing to bet in any one else coming out today. Not saying it won’t ever, but hey in the 50’s they said we would have flying cars by now right?