> But most places I have worked, these best practices were not overused, but underused For what it's worth, 90% of the code bases I've worked on overused DRY.

> But most places I have worked, these best practices were not overused, but underused For what it's worth, 90% of the code bases I've worked on overused DRY. Two pieces of code that do the same thing but that shouldn't be coupled should be repeated, otherwise you end up with a million "if" statements for all the separate cases this code will need to handle as it grows, as well as uncertainty about whether changes will have unintended consequences.