Why dans it bad idée for Greg To try To listen To à cd with parental warning?

Greg wasn't allowed to listen to CDs with parental warnings.... and when he get caught by his father..... he gets in BIG trouble.

Tonight, Dad yelled at me for about ten minutes, and then I guess he decided h'ed rather be in bed than standing in my room in his underwear. He told me I was grounded from playing video games for two weeks, which is about what I expected. I guess I should be glad thats all he did.