Should we always favor polymorphism over enums?

Question

After watching: The Clean Code Talks -- Inheritance, Polymorphism, & Testing

I checked my code and noticed a few switch statements can be refactored into polymorphis

Answer 1

"Does this mean enums are "evil" in OO-design and should be eliminated with polymorphism?"

Usually.

switch/enum constructs can be any of a number of polymorphic structures: State and Strategy are two common ones that come up most often.