Depends entirely on the metric used. Cyclomatic complexity would put if/else behind polymorphism while using lines of code and depth of inheritance would favou

Depends entirely on the metric used. Cyclomatic complexity would put if/else behind polymorphism while using lines of code and depth of inheritance would favour the if/else way. That's the crux with software - there's not always an objectively better solution in terms readability/comprehensibility and some metrics that try to capture these qualities are inherently at odds with each other.