This is such a strange argument. You want to copy and paste code 10 times rather than making a function, because if the requirements change and if the person as

This is such a strange argument. You want to copy and paste code 10 times rather than making a function, because if the requirements change and if the person assigned to fix it is a moron, then it might prevent the moron from choosing one specific way of making a mess? You can't prevent future morons from doing moronic stuff in the future. They'll just find another moronic thing to do.