Look how they Massacred my boy

A term for stating something that used to be good/great but was then ruined viva outside influence or it trying to be meta etc.

Person 1. Hey a new TV show released of a beloved classic. We should watch it.

Person 2. Ok it can't be bad who would ruin a beloved classic!

Person 1 and 2 after season 1. Look how they massacred my boy.