They sure love to play songs like Bass Down Low, Rocketeer and Please Don't Go that flopped/did barely OK on iTunes/AI, so idk...
How did Moment 4 Life do overall? KIIS/Amp played that awful song so much
I understand that a station might have some favourites and spin them more than their equivalent success but if a song takes off and it is unstoppable then that station is being forced to play it even if that station doesn't favour the artist or the song or both. It has happened so many times in the past. For example the most recent hit : OTF by J Lo.