The OOE module promotes Don't Repeat Yourself (DRY) coding instead of Write Everything Twice (WET) coding

The OOE module promotes eternally preferrable Don't Repeat Yourself (DRY Principle) coding instead of Write Everything Twice (WET) (because "we enjoy typing") coding, which is simply rampant in Drupal, where strings representing structured array keys are sometimes repeated dozens of times within one module.