In case you’re wondering about the down votes, many think Clean Code is not a good book. It got a few good advice, but it also got bad advice disguised as good advice.

I don’t think switch statements should always be avoided. There are cases where polymorphism makes things more difficult to maintain. Saying polymorphism should be used over switch statements is not a good advice.

Here’s an article going into more detail why we should stop recommending Clean Code: https://qntm.org/clean