Well, to be fair, he didn't say that. He said it flew under the radar (presumably compared to the rest of the world), which is true. It spent one week at #12 in the US- it wasn't a huge hit.
Oh well. His comment was pretty dumb and didnt make any sense... Only Enrique, Katy Perry, Taylor, Justin and Psy have hit 1 billion and hes saying everyone has
Help me name all those music videos with 1 billion views. someone 6 of them. Let me take a guess
Gangnam Style
Baby Baby
Roar
Shake It Off
Blank Space