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But it wasn't a software issue! /S https://philip.greenspun.com/blog/2019/04/08/boeing-737-max-...

Any competent engineer would raise moral and ethical questions when working on software that is "mission ciritical". Causing a passenger plane to continually go into a nose dive because of data coming from a single sensor is absolutely ludicrous. Just because the software was horribly designed, doesn't mean it isn't a software issue.

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It is a hardware design issue. There's a concept of N+1 redundancy in safety-critical systems, a hardware design decision. This basic philosophy was missing from the MCAS system[1]. You can argue that the software could just ignore bad sensor readings, but that's just software making up for hardware deficiencies.

1. https://www.seattletimes.com/business/boeing-aerospace/a-lac...

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