The DRY principle isn't about saving time; it's about preventing your logic from diverging.
Of course it's faster to copy paste than it is to create an abstraction.
If you suddenly change your logic to prevent non-admin users from deleting items on the list page, but that logic is implemented a second time on the details page, what do you think will happen?
DRY is meant to save you from those kinds of problems.
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The DRY principle isn't about saving time; it's about preventing your logic from diverging.
Of course it's faster to copy paste than it is to create an abstraction.
If you suddenly change your logic to prevent non-admin users from deleting items on the list page, but that logic is implemented a second time on the details page, what do you think will happen?
DRY is meant to save you from those kinds of problems.