The Natural Philosopher  writes:
> How can a pattern cost money? software is essentially zero cost to
> implement once it's been written.

Software is full of bugs. In a safety- and/or security-critical context,
you can’t just ignore them, you need to find them (preferrably before
someone else does), then recertify and redeploy the fixed software.

Certification is a moving target, at least in my industry, I don’t know
about automotive. Same issues as above.

Security is a moving target; attacks keep getting better. Same issues
again.

And that’s before getting into changing customer needs, competitive
challenges, rebranding, ...

--
https://www.greenend.org.uk/rjk/

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