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But a chair cannot be copied from one home to another. Code uniquely can be. Good (perhaps artisanal) code is useful and better for everyone. The foundational improvements by a single person can get magnified throughout a project, while with other crafts the quality of their output does not have the same effect.

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> Good (perhaps artisanal) code is useful and better for everyone.

How so? We actually don't have any specific characteristics on what makes code "good", nor do we have any quantifiable metrics that say "said good code is better"?

I may think your chair is more comfortable or that it lasts longer under load, but that doesn't always mean is "better". A cheaper chair could be considered better because its cheaper to acquire, even if its not as comfortable or doesn't last as long.

> But a chair cannot be copied from one home to another.

Some 3D printing enthusiast: "Hold my beer ..." :-)

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