It's not their beliefs, so therefore they think it's wrong and shouldn't exist.
For example, crime. As you're growing up, crime is meant to be bad and you shouldn't do it. This is the same for cultures. You grow up with that culture and are taught that's how things should be. So when you see another culture you think it's bad and that it shouldn't exist.
“Don’t take the girl” by Craig Martin is a song not a poem, the genre is Country And it is awfully painful to listen to... but it’s a love song I guess?