According to Mental Floss magazine, Barney the Dinosaur's theme song, "I Love You" is the most influential song of the past 25 years. Why did the editors pick this song? They selected it as influential because it was used at Guantanamo Bay to weaken prisoners for interrogation. There is a place in that prison where they play music designed to get terrorists to talk. According to The Guardian, Barney's song has been the most used.
I suppose we could understand how the constant repetition of a simple tune might cause people to give up in despair, but love itself never will.