Earlier quoted context omitted.
> Production of software is nearly 100% R&D. Making a million copies of a software product has a trivial cost. > Production of hardware is some R&D, and then actual manufacturing Totally. And if you think deployment errors are bad, wait until you see how many production errors exist and how many items out of your line come out working and within spec
Indeed. You cannot release a patch for a mechanical part or a PCB.
It’s just a lot more expensive and labor intensive to apply.