Any discussion will reduce a real thing to something simpler than the real thing. To do otherwise would make discussion impossible. The question is not
Is there a reduction?
Spoiler: There is. The important question is
What is gained and lost by making a different reduction?
A more complicated reduction makes analysis more complicated. I suspect that civil engineers rarely account for relativistic effects. They have managed to keep London watered without this elaboration in their reductions. The engineers could have a more realistic reduction accounting for relativistic effects but at the expense of time, energy, and attention.
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Reductionism is not an error
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For some reason the objection is always raised as
Any discussion will reduce a real thing to something simpler than the real thing. To do otherwise would make discussion impossible. The question is not
Spoiler: There is. The important question is
A more complicated reduction makes analysis more complicated. I suspect that civil engineers rarely account for relativistic effects. They have managed to keep London watered without this elaboration in their reductions. The engineers could have a more realistic reduction accounting for relativistic effects but at the expense of time, energy, and attention.